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Clinoclase information


Clinoclase
A sample of clinoclase
General
CategoryArsenate minerals
Formula
(repeating unit)		Cu3AsO4(OH)3
IMA symbolCno[1]
Strunz classification8.BE.20
Crystal systemMonoclinic
Crystal classPrismatic (2/m)
(same H-M symbol)
Space groupP21/c
Identification
References[2][3][4]

Clinoclase is a hydrous copper arsenate mineral, Cu3AsO4(OH)3. Clinoclase is a rare secondary copper mineral and forms acicular crystals in the fractured weathered zone above copper sulfide deposits. It occurs in vitreous, translucent dark blue to dark greenish blue colored crystals and botryoidal masses. The crystal system is monoclinic 2/m. It has a hardness of 2.5–3 and a relative density of 4.3. Associated minerals include malachite, olivenite, quartz, limonite, adamite, azurite, and brochantite among others.

Clinoclase was discovered in 1830 in the county of Cornwall in England. Found at Broken Hill New South Wales, Australia and associated with copper ore deposits in Arizona, California, Montana, New Mexico, Nevada, and Utah in the United States. Also found in France, Germany, Czech Republic, Austria, Romania, Russia, and the Democratic Republic of the Congo.

Abichite is another name for clinoclase.

The type locality for clinoclase is the Wheal Gorland mine at St Day, Cornwall in the United Kingdom.[5]

  1. ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. ^ Mineralienatlas
  3. ^ Webmineral
  4. ^ Mineral Galleries Archived 2004-10-13 at the Wayback Machine
  5. ^ Clinoclase: Clinoclase mineral information and data

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Clinoclase

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Clinoclase is a hydrous copper arsenate mineral, Cu3AsO4(OH)3. Clinoclase is a rare secondary copper mineral and forms acicular crystals in the fractured...

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List of minerals

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Chvaleticeite Cinnabar Clarkeite Claudetite Clausthalite Clearcreekite Cleusonite Clinoclase Clinohedrite Clinohumite Clinoptilolite Clinozoisite Clintonite Cobaltite...

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List of mineral symbols

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Clinochlore Clc Crednerite Cnr Cadmoselite Cds Carrboydite Cby Chernikovite Ckv Clinoclase Cno Creedite Cee Cadwaladerite Cwd Carrollite Cli Chernovite-(Y) Chv-Y...

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Liroconite

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blue to green, often associated with malachite, azurite, olivenite, and clinoclase. It is quite soft, with a Mohs hardness of 2–2.5, and has a specific gravity...

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Cornwallite

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deposits. Associated minerals include olivenite, cornubite, arthurite, clinoclase, chalcophyllite, strashimirite, lavendulan, tyrolite, spangolite, austinite...

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Arsenate mineral

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minerals include: Annabergite Ni3(AsO4)2·8H2O Austinite CaZn(AsO4)(OH) Clinoclase Cu3(AsO4)(OH)3 Conichalcite CaCu(AsO4)(OH) Cornubite Cu5(AsO4)2(OH)4 Cornwallite...

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Cornubite

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and specific gravity 4.64, which is similar to another copper arsenate, clinoclase, at 4.38, but much denser than quartz, at 2.66. All triclinic minerals...

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Strashimirite

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copper arsenide deposits. It occurs associated with tyrolite, cornwallite, clinoclase, euchroite, olivenite, parnauite, goudeyite, arthurite, metazeunerite...

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St Day

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Wheal Gorland mine is the type locality for the minerals: chenevixite, clinoclase, cornwallite, kernowite, and liroconite. The population of St Day was...

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Wheal Gorland

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supergene enrichment. It is the type locality for the minerals chenevixite, clinoclase, cornwallite, kernowite and liroconite. The production of the mine was...

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Clara Pit

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azurite, baryte, chrysocolla, claraite, cornwallite, fluorite, goethite, clinoclase, copper, malachite, pyrite, pyromorphite, mimetite, stolzite, silver und...

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Chalcophyllite

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cyanotrichite, strashimirite, parnauite, lavendulan, cornubite, langite, clinoclase, pharmacosiderite and mansfieldite. The type material is conserved at...

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