cornwallite
Sign in to saveCornwallite is an uncommon copper arsenate mineral with formula Cu5(AsO4)2(OH)4. It forms a series with the phosphate pseudomalachite and is a dimorph of the triclinic cornubite. It is a green monoclinic mineral which forms as radial to fibrous encrustations. thumb|left|Botryoidal, green cornwallite in a gossan with white [[baryte from Caldbeck Fells, Cumbria (7.6 × 5.1 × 4.7 cm)]]
In the Vinony graph
Vinony's link graph records 14 inbound references to cornwallite, and connects out to England, copper and Cornwall.
Vinony files it under Arsenate minerals, Minerals in space group 14 and Monoclinic minerals.
Vinony links it to 13 Wikipedia language editions.
Key facts
- Mineral.boxbgcolor
- 65c131
- Mineral.name
- Cornwallite
- Mineral.boxtextcolor
- fff
- Mineral.image
- Cornwallite-178955.jpg
- Mineral.imagesize
- 260px
- Mineral.caption
- Cornwallite in a vug from Pastrana, Murcia, Spain (size: 4.3 × 3.7 × 2.2 cm)
- Mineral.category
- Arsenate mineral
- Mineral.formula
- Cu5(AsO4)2(OH)4
- Mineral.IMAsymbol
- Cnw
- Mineral.strunz
- 8.BD.05
- Mineral.dana
- 41.4.2.2
- Mineral.system
- Monoclinic
- Mineral.class
- Prismatic (2/m) (same H-M symbol)
- Mineral.symmetry
- P21/c
- Mineral.unit cell
- a = 17.33 Å, b = 5.82 Å, c = 4.60 Å; β = 92.22°; Z = 2
- Mineral.color
- Verdigis green, blackish-green, emerald-green
- Mineral.habit
- Microcrystalline radial fibrous, botryoidal to globular crusts
- Mineral.cleavage
- Distinct in one direction
via Wikipedia infobox
Wikidata facts
- Subclass of
- arsenate mineral
- Named after
- Cornwall
- Image
- Cornwallite-178955.jpg
Show 8 more facts
- IMA Mineral Symbol
- Cnw
- chemical formula
- Cu₅(AsO₄)₂(OH)₄
- Strunz 8th edition (series ID, updated)
- VII/B.08
- Commons category
- Cornwallite
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 8.BD.05
- Nickel-Strunz 9th edition (updated 2009)
- 8.BD.05
- crystal system
- monoclinic crystal system
- Mohs' hardness
- 4.5
Sources (2)
via Wikidata · CC0
~1 min read
Encyclopedic overview
3 sectionsContents
- Discovery and occurrence
- See also
- References
Cornwallite is an uncommon copper arsenate mineral with formula Cu5(AsO4)2(OH)4. It forms a series with the phosphate pseudomalachite and is a dimorph of the triclinic cornubite. It is a green monoclinic mineral which forms as radial to fibrous encrustations. thumb|left|Botryoidal, green cornwallite in a gossan with white [[baryte from Caldbeck Fells, Cumbria (7.6 × 5.1 × 4.7 cm)]]
==Discovery and occurrence==
Excerpted from Wikipedia’s “cornwallite” article, available under the CC BY-SA 4.0 licence.