crookesite
Sign in to saveCrookesite is a selenide mineral composed of copper and selenium with variable thallium and silver.
In the Vinony graph
Within Vinony's link graph, crookesite is referenced by 14 other articles, and connects out to Mohs scale of mineral hardness, relative density and silver.
Vinony files it under Copper(I) minerals, Minerals described in 1866 and Minerals in space group 82.
Its subject is documented across 9 Wikipedia language editions.
Key facts
- Mineral.name
- Crookesite
- Mineral.category
- Selenide mineral
- Mineral.image
- File:Crookesite.jpg
- Mineral.IMAsymbol
- Crk
- Mineral.strunz
- 2.BD.50
- Mineral.system
- Tetragonal
- Mineral.class
- Disphenoidal () H-M symbol: ()
- Mineral.symmetry
- I
- Mineral.color
- Lead-gray
- Mineral.habit
- As finely divided, disseminated specks, and as small veinlets.
- Mineral.cleavage
- Good, two at right angles
- Mineral.fracture
- Brittle
- Mineral.mohs
- 2.5–3
- Mineral.luster
- Metallic
- Mineral.gravity
- 6.90
- Mineral.diaphaneity
- Opaque
via Wikipedia infobox
Wikidata facts
- Subclass of
- sulfide class of minerals
- Named after
- William Crookes
- Image
- Crookesite.jpg
Show 7 more facts
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 2.BD.50
- chemical formula
- Cu₇TlSe₄
- Nickel-Strunz 9th edition (updated 2009)
- 2.BD.50
- crystal system
- tetragonal crystal system
- Commons category
- Crookesite
- IMA Mineral Symbol
- Crk
- Strunz 8th edition (series ID, updated)
- II/A.04
Sources (1)
via Wikidata · CC0
~1 min read
Encyclopedic overview
4 sectionsContents
- Characteristics
- Name and discovery
- See also
- References
Crookesite is a selenide mineral composed of copper and selenium with variable thallium and silver.
==Characteristics== Its chemical formula is reported either as or . It is formed by precipitation from hydrothermal fluids, and contains by mass: 16.3% Tl, 47.3% Cu, 2.9% Ag, and 33.6% Se.
Excerpted from Wikipedia’s “crookesite” article, available under the CC BY-SA 4.0 licence.