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UnderstandWhat it is, what people ask, how far this page goes
Natural inorganic gem materials · Rock / mineral aggregate · Natural identity; treatment status unknown
Azurite-Malachite
A mineral aggregate in which Azurite and Malachite occur together; both are copper carbonate minerals. This page compares how the major standards and institutions name it, what must be disclosed when selling it, whether it can be worn every day, how it is treated and identified, and which source each conclusion comes from.
Price, rarity and origin are outside the scope of this wiki.
What this page can answer
This page covers
- How Azurite-Malachite forms and what gives its colourFormation setting, process and timescale, each finding graded and sourced
- How to identify Azurite-MalachiteHow far lab testing can go and whether a synthetic exists
- Treatments and enhancements of Azurite-Malachite2 registered treatments: status, stability, how common they are and identification leads
- Caring for and wearing Azurite-MalachiteCleaning, heat, chemicals and light, as the cited sources give them; durability indicators and wearing advice
- Mohs hardness of Azurite-MalachiteEach value with its source and check date
- Azurite-Malachite in English, Chinese and Japanese; national standard namesNames in four languages, the GB/T standard name and the suggested listing name; and: Which of GIA, FTC, CIBJO and Gem-A have a name for it on record, and do those agree?
- Name origin and history of Azurite-MalachiteWhere the name comes from
- Listing and disclosing Azurite-MalachiteThe listing name to use; what must be disclosed before sale
What we cannot conclude
- Whether one particular bead is natural, treated or synthetic — only a laboratory report can settle that.
- Geographic origin, unless an origin report accompanies the item.
- Price, rarity or investment value: this wiki covers naming and disclosure only.
Material research: formation, causes and history
What authoritative sources say about how this material forms, what causes its colour and optical effects, where its name comes from and how people have used it. Each statement carries an evidence grade and its sources; it describes the material in general, not any specific piece.
How it forms
Azurite-malachite is a rock/mineral aggregate of intergrown azurite and malachite; it is not a single mineral species. Both are copper carbonate hydroxides: malachite Cu2(CO3)(OH)2 is green and azurite Cu3(CO3)2(OH)2 is blue, with similar formulas (the latter being the weathered counterpart of its blue parent, azurite). Formation: both are deposited from hydrothermal fluids as secondary minerals within fractures or underground voids; afterwards the copper ore body undergoes surface weathering and oxidation. Azurite and malachite seldom occur apart and form in exposed parts of copper ore, associated with carbonate rocks. Malachite may show internal banding; azurite, because of its cleavage and lower durability, is used mainly as a pigment rather than a durable jewellery material.
Scope: Applies to explaining the identity, composition, parent-material origin and colouration of azurite-malachite as an intergrown rock of azurite and malachite; not applicable to determining the specific locality, treatment or value from the name.
Sources G&G Winter 2017 · G&G Fall 2022 · G&G Winter 2023 +1
Where it forms
Within copper deposits, in the oxidized zone; host association: carbonate rocks.
Sources G&G Winter 2023 · Handbook of Mineralogy
Fractures or underground spaces where hydrothermal fluids precipitate secondary copper carbonates.
Sources G&G Winter 2023 · Handbook of Mineralogy
How it forms, step by step
Within cracks and voids underground, hot aqueous solutions deposit azurite and malachite as later-formed minerals.
The copper ore body then undergoes surface weathering and oxidation.
The two intergrow to form a blue-green rock/aggregate that may show banded or brecciated structure.
Link to appearance
It shows intergrown blue (azurite) and green (malachite), often with banded or brecciated structure; but appearance cannot substitute for identification of composition and treatment.
Sources G&G Winter 2017 · G&G Fall 2022
Timescale
The cited sources give no absolute age or growth duration for azurite-malachite.
Sources G&G Winter 2017 · G&G Fall 2022 · G&G Winter 2023 +1
Related base materials
- Azurite (Cu3(CO3)2(OH)2): One of the constituent minerals (mineral species)
- Malachite (Cu2(CO3)(OH)2): One of the constituent minerals (mineral species)
Supporting findings
Azurite and malachite are deposited as secondary minerals from hydrothermal fluids within fractures or underground voids; surface weathering and oxidation of the copper ore body follow afterwards.
Evidence grade AScope: Formation of secondary copper carbonates; not tied to a specific locality.
Sources G&G Winter 2023
Azurite and malachite are found in the oxidized zone of copper deposits; they are associated with carbonate rocks and may occur together with chrysocolla, calcite, dolomite and others.
Evidence grade BScope: An occurrence description; not tied to a specific locality.
Sources Handbook of Mineralogy
Recorded localities
Authoritative sources list the localities below; the list is not exhaustive.
North America
- Bisbee, Arizona, United StatesKnown mainly from old finds
Sources G&G Winter 2017
- Morenci, Arizona, United StatesKnown mainly from old finds
Sources G&G Winter 2017
South America
- Moquegua Region, Peru2012 find of malachite-azurite-gypsum mixture
Sources G&G Winter 2017
- Cochapata, Cotabambas, Apurímac, PeruNew material from 2016, first misattributed to Puno
Sources G&G Winter 2017
These are localities recorded by authoritative sources, not an origin finding for any individual piece. The CIBJO Gemstone Book (2022, §4.2.3) says a place of origin names where a gem was mined or harvested, is a matter of opinion, does not imply a level of quality, and that cutting, processing or exporting centres must not be used to imply origin. See how far testing can go on this page, the origin determination guide and the overview of recorded localities.
Where the name comes from
The azurite part of the name "azurite-malachite" belongs to a constituent mineral: azurite derives from the Persian lazhward, for its characteristic blue colour. This etymology belongs to the constituent mineral azurite, not to the full composite name "azurite-malachite".
Evidence grade BScope: The etymology explains only the origin of the name; it does not establish the material's composition, locality, naturalness, or treatment.
Sources Handbook of Mineralogy
Other research findings
Azurite-malachite is a rock/mineral aggregate of intergrown azurite and malachite; it is not a single mineral species.
Evidence grade BScope: An identity/aggregate-boundary judgement; a given sample's two-phase ratio and any other minerals require testing.
Sources G&G Winter 2017
Malachite's formula is Cu2(CO3)(OH)2 (green) and azurite's is Cu3(CO3)2(OH)2 (blue); the two formulas are similar.
Evidence grade AScope: Formulas of the two mineral species; not a quantitative analysis of any sample.
Sources G&G Winter 2017
Azurite and malachite are rarely found exclusive from one another and form in exposed areas of copper ore; azurite is used mainly as a pigment for its low durability, while malachite is used as a durable material and pigment.
Evidence grade AScope: A material-property and use description; not a sourcing or value recommendation.
Limits of this research
- Research status: Formation, occurrence or other material-specific findings found in authoritative sources
- Azurite-malachite is a rock/mineral aggregate, not a single mineral species; no sample's two-phase ratio is confirmed.
- The cited sources include a single-locality (Cochapata, Peru) report and do not represent all localities.
- Not a judgement of origin, treatment, grade or value.
Methodology
- Origin determination and its limits
- Quality grading and value factors
- How gemmology became a technical discipline
Evidence grades
- A
- Standards bodies, government geological surveys, peer-reviewed research and museum records
- B
- Institutional educational material
- C
- Specialist databases or cautious readings
A statement is never graded above its strongest source.
This section is LumaLark's own factual restatement of public authoritative sources, credited item by item; it contains no verbatim excerpts, images or third-party logos.
DecideListing name, disclosure, care and treatments
- Suggested listing name
- Azurite-Malachite
IMA Mineral List 2026-07 “Azurite”, “Malachite” · CIBJO Gemstone Book 2022 Annex 8
Construction or treatment status
Natural identity; treatment status unknown
Related:Disclosure and cautions
This page cannot answer
Natural? · Origin · Price
A lab report settles these; this wiki covers naming and disclosure.
Related:What this page can answer
Answer at a glance
"Azurite-Malachite" is a market name rather than a mineral species name; before using it, verify: Industry-wide term that does not denote a single species.
What this means for you
Before buying, check the recommended listing name "Azurite-Malachite" and any disclosed treatments on this page, and ask the seller for a grading report if in doubt.
Known uncertainty
- This entry's exact material identity is not fully settled.
- See “Disclosure and cautions” above
- Last reviewed
- 2026-09-26
Trade-name ruling
- Industry-wide term that does not denote a single species.
- Suggested listing name
- Azurite-Malachite
Care and wear
Normal care for every gemstone (CIBJO Gemstone Book §6.1), in brief:
- Handle it gently.
- Store pieces apart when not worn, so they cannot scratch each other.
- Clean with warm soapy water and a soft brush.
- Use ultrasonic cleaners only with caution.
The §6.1 wording and the full list of §6.2 special-care letters cited on this page are on the general gem care page.
Care
Azurite-Malachite — care (chemicals): Some stones are particularly susceptible to attack by acids. Keep them away from acids.
CIBJO Gemstone Book 2022
CIBJO Gemstone Book §6.2:special-care code h
- Treatment state
- any treatment state
Source & check 2026-09-25
- Source
- CIBJO Blue Book — Official Gemstone Book (Coloured Stone Commission 2022) (CIBJO): §8 Annex C, Azurite-Malachite, p.34; §6.2 h (locator checked 2026-09-26)
- Fact checked on
- 2026-09-25
Azurite-Malachite — care (chemicals): Treatments with dye, oil, resin, wax or plastic are not permanent; keep it away from all solvents (including dish-washing liquids), chemicals and heat.
CIBJO Gemstone Book 2022
CIBJO Gemstone Book §6.2:special-care code k
- Treatment state
- treated
Source & check 2026-09-25
- Source
- CIBJO Blue Book — Official Gemstone Book (Coloured Stone Commission 2022) (CIBJO): §8 Annex C, Azurite-Malachite, p.34; §6.2 k (locator checked 2026-09-26)
- Fact checked on
- 2026-09-25
Azurite-Malachite — care (wear): Some stones are prone to scratching due to low hardness. Wear them with care.
CIBJO Gemstone Book 2022
CIBJO Gemstone Book §6.2:special-care code a
- Treatment state
- any treatment state
Source & check 2026-09-25
- Source
- CIBJO Blue Book — Official Gemstone Book (Coloured Stone Commission 2022) (CIBJO): §8 Annex C, Azurite-Malachite, p.34; §6.2 a (locator checked 2026-09-26)
- Fact checked on
- 2026-09-25
Each row's “Source & check” expands to the full source; the date beside it is the fact check date.
Common care questions and matching entries
ChemicalsChemical care for Azurite-Malachite, as registered against the CIBJO Blue Book — Official Gemstone Book (Coloured Stone Commission 2022): in any treatment state, Azurite-Malachite is particularly sensitive to acids and should be kept away from them. Azurite-Malachite that has been dyed, oiled, resin-impregnated, waxed or plastic-impregnated has the status treated; the same CIBJO Blue Book — Official Gemstone Book (Coloured Stone Commission 2022) states that the effects of dyeing, oiling, resin impregnation, waxing or plastic impregnation are not permanent, and such pieces should be kept away from all solvents (including detergents of every kind), chemicals and heat. WearOn wear: in any treatment state, Azurite-Malachite is soft and scratches easily, so it should be worn with care.
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| Question | Matching entries |
|---|---|
| Contact with acids, alkalis and household chemicals | care (chemicals); Treatments with dye, oil, resin, wax or plastic are not permanent; keep it away from all solvents (including dish-washing liquids), chemicals and heat |
| Wearing limits (knocks, settings) | care (wear) |
Care entries by treatment state
The same entries grouped by the treatment state each applies to; each links to its full wording and source. Letters are CIBJO special-care codes, explained on the gemstone care page.
any treatment state
- care (chemicals) §6.2 h
- care (wear) §6.2 a
treated
Durability and wearing
Numbers in curly braces, such as {111}, are crystallographic face symbols (Miller indices): each marks a set of crystal faces or cleavage planes. They are reproduced as written in the cited source.
Mohs hardness
3.5–4
Toughness
Brittle
Cleavage
{011} perfect but interrupted; {100} fair; {110} poor
Treatments and identification leads
Registered treatmentsThe treatments registered for Azurite-Malachite are surface waxing and impregnation. Stability and frequencySurface waxing has status treated, stability "not stable" and market prevalence common; impregnation has status treated, stability "not stable" and market prevalence rare. Values not givenThe identification leads and sources for surface waxing and impregnation are both given as "—", meaning the cited source gives no value, not "none".
This table scrolls sideways on narrow screens.
| Treatment | Market frequency (CIBJO) | Stability (CIBJO) | GB/T 16552 category | JJA/AGL listing | Identification leads |
|---|---|---|---|---|---|
| surface waxingStatus: treated | commonly | unstable | — | — | — |
| impregnationStatus: treated | rarely | unstable | — | — | — |
Where each treatment acts (schematics): Waxed · Impregnated
“—” means the cited source gives no value for that item, not “none”. Source: CIBJO Gemstone Book 2022
Whether a treatment has to show in the name differs between the two rule sets (this site’s paraphrase):
- GB/T 16552—2017: a method classed as treatment has to be stated in the name itself — the method put before the name, or added in brackets after it; a method classed as optimization does not need to appear in the name, though one marked “Optimization (annotation required)” still has to be noted in the quality documents. Source: §5.4.2.1 a), b); §5.4.2.2 a)
- CIBJO Gemstone Book 2022: no longer splits treatments into ones that need specific disclosure and ones that need only general disclosure: every treatment is to be disclosed, and the seller tells the buyer which treatment was used and what special care it calls for. Source: §4.2.5 Note 2, §4.2.5.1, pp.14–15
What this table covers
What this page can give
- Registered treatments, their stability and how often they occur (see the table above)
- Identification leads for each treatment, for use when sending a stone for testing
VerifyNames, standards, technical facts, clauses and sources
Names
Standard and listing namesAzurite-Malachite is not listed in GB/T 16552—2017 Annex A and can be named directly under that standard; the suggested listing name is Azurite-Malachite. Trade and mineralogical namesAzurite-Malachite is a trade name rather than a mineralogical species name, in general trade use, and not a single mineral species. Institution usageOn authority wording, CIBJO Gemstone Book 2022 Annex 8 records Azurite-Malachite; the FTC text on file has been checked and has no wording for this name; GIA and Gem-A wording is unchecked; bodies without a recorded wording show the entry's own English name, which does not represent their position. Japanese namesThe wording of Japan's GSJ for this name is not yet verified by this site; the Japanese name shown is the entry's own and is marked as pending verification. Names in four languagesThe name is written in Simplified Chinese, Traditional Chinese, English (Azurite-Malachite) and Japanese (pending verification). Trade and mineralogical namesThe mineralogical name Azurite-malachite refers to a rock of intergrown azurite and malachite.
- GSJ (Japan) formal name
- アズライト・マラカイト（待核） (not yet checked for this body — the entry's own Japanese name is shown)
- Mineral / material name (not in GB/T 16552 Annex A; usable directly)
- 蓝铜矿-孔雀石 (GB/T 16552—2017 §5.1.1 b))
- Mineralogical name
- Azurite-malachite: rock of intergrown azurite and malachite
Four-language names
- 简体中文
- 蓝铜矿-孔雀石
- 繁體中文
- 藍銅礦-孔雀石
- English
- Azurite-Malachite
- 日本語
- アズライト・マラカイト（待核）
See also: Misleading and prohibited trade names · Supplementary name index
Classification
- Origin
- Natural materials
- Material domain
- Natural inorganic gem materials
- Browsing family
- Carbonate minerals
- Identity tier
- Rock / mineral aggregate
- Mineral chemical class
- Carbonates
- Construction or treatment status
- Natural identity; treatment status unknown
What it is and how it's identified
The registered material facts for Azurite-Malachite are: surface waxing, treated, with an effect stability of “unstable”; and impregnation, treated, with an effect stability of “unstable”. This site's qualification is that the effect stability of surface waxing describes whether the waxing treatment is stable, not whether Azurite-Malachite itself is durable; likewise, the effect stability of impregnation describes whether the impregnation treatment is stable, not whether Azurite-Malachite itself is durable. This site's general note is that there is not enough data on Azurite-Malachite to reach a complete durability conclusion.
Registered material facts
Each row carries its own source and check date and can be cited on its own; “—” means the cited source gives no value, not “none”.
Durability
For Azurite-Malachite, the stability of surface waxing is “unstable”.
CIBJO Gemstone Book 2022
- Treatment state
- treated
- Treatment
- surface waxing
- Qualification
This says how well the treatment holds up, not how durable Azurite-Malachite itself is.
- General note
- no durability verdict here
Source & check 2026-09-26
- Source
- Fact checked on
- 2026-09-26
For Azurite-Malachite, the stability of impregnation is “unstable”.
CIBJO Gemstone Book 2022
- Treatment state
- treated
- Treatment
- impregnation
- Qualification
This says how well the treatment holds up, not how durable Azurite-Malachite itself is.
- General note
- no durability verdict here
Source & check 2026-09-26
- Source
- Fact checked on
- 2026-09-26
Each row's “Source & check” expands to the full source; the date beside it is the fact check date.
Testing and market
On testing and market, no synthetic Azurite-Malachite is available on the market. Among Azurite-Malachite in trade, surface waxing occurs “commonly” and impregnation occurs “rarely”; both surface waxing and impregnation have the treatment state “treated”. These conclusions come from the Azurite-Malachite row of the CIBJO Gemstone Book 2022.
How far testing can go
Azurite-Malachite — synthetic counterpart on the market: No synthetic counterpart of this material is commercially available
CIBJO Gemstone Book 2022
- Treatment state
- any treatment state
Source & check 2026-09-26
- Source
- Fact checked on
- 2026-09-26
For Azurite-Malachite in trade, the reported frequency of surface waxing is “commonly”.
CIBJO Gemstone Book 2022
- Treatment state
- treated
- Treatment
- surface waxing
Source & check 2026-09-26
- Source
- Fact checked on
- 2026-09-26
For Azurite-Malachite in trade, the reported frequency of impregnation is “rarely”.
CIBJO Gemstone Book 2022
- Treatment state
- treated
- Treatment
- impregnation
Source & check 2026-09-26
- Source
- Fact checked on
- 2026-09-26
Each row's “Source & check” expands to the full source; the date beside it is the fact check date.
Evidence and sources
Authority basis and clause sources
Sources
- CIBJO – The World Jewellery Confederation. Gemmological Laboratories Book (Blue Book), Gemmological Commission 2024-1.
- CIBJO – The World Jewellery Confederation. The Gemstone Book (Blue Book), 2022.
- SAMR / SAC (China). GB/T 16552—2017 Gems — Nomenclature.
- RRUFF Project, in partnership with the IMA – International Mineralogical Association. IMA Mineral List.
- eCFR (United States). 16 CFR Part 23 — Guides for the Jewelry, Precious Metals, and Pewter Industries.
Further reading
Related entries and topic cluster
Parent entry and related pages on this site. Rows marked “Planned” are suggested new content and have no link yet.
Related-entry tree for Azurite on this site: 2 entries listed by this site's parent-entry links; synthetic, treated and similar entries carry their recorded state after the name; this page (Azurite-Malachite) is marked.
- Azurite
Sub-entries (1)
- Azurite-Malachite
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| Page | Content | Status |
|---|---|---|
| Browsing family | Carbonate minerals | Live |
| Related articles | To be added (placeholder) | Planned |
Who maintains this page
The material facts in the Azurite-Malachite entry are maintained by the LumaLark wiki and matched one by one to the standard clauses or institutional sources they cite: every fact carries its source (with a clause or page locator) and a check date, so it can be traced back to the original. The entry exists so that buyers and sellers can check naming, disclosure and material facts item by item.