Fornacyt
Sign in to saveFornacite is a rare lead, copper chromate arsenate hydroxide mineral with the formula: Pb2Cu(CrO4)(AsO4)(OH). It forms a series with the phosphate mineral vauquelinite. It forms variably green to yellow, translucent to transparent crystals in the monoclinic – prismatic crystal system. It has a Mohs hardness of 2.3 and a specific gravity of 6.27.
In the Vinony graph
Within Vinony's link graph, Fornacyt is referenced by 8 other articles, and connects out to Mohs scale of mineral hardness, monoclinic crystal system and Republic of the Congo.
It sits within the topics Arsenate minerals, Chromate minerals and Copper(II) minerals.
Its subject is documented across 10 Wikipedia language editions.
Key facts
- Mineral.name
- Fornacite
- Mineral.image
- Dioptasereneville2.jpg
- Mineral.imagesize
- 260px
- Mineral.caption
- Dioptase (blue green), cerussite (light pink) and fornacite (green) from Renéville, Djoué, Brazzaville Region, Republic of Congo
- Mineral.category
- Arsenate mineral
- Mineral.formula
- Pb2Cu(CrO4)(AsO4)(OH)
- Mineral.IMAsymbol
- For
- Mineral.strunz
- 7.FC.10
- Mineral.dana
- 43.4.3.2
- Mineral.system
- Monoclinic
- Mineral.class
- Prismatic (2/m) (same H-M symbol)
- Mineral.symmetry
- P21/c
- Mineral.unit cell
- a = 8.101(2), b = 5.893(11), c = 17.547(9) [Å]; β = 110.00(4)°; Z = 4
- Mineral.color
- Deep olive-green
- Mineral.habit
- Aggregates of steep pyramidal to bladed, rounded crystals
- Mineral.fracture
- Irregular/uneven, conchoidal, sub-conchoidal
- Mineral.tenacity
- Brittle
- Mineral.mohs
- 2–3
via Wikipedia infobox
Wikidata facts
- Image
- Fornacite.jpg
Show 10 more facts
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 7.FC.10
- Nickel-Strunz 9th edition (updated 2009)
- 7.FC.10
- streak color
- olive
- crystal system
- monoclinic crystal system
- Commons category
- Fornacite
- IMA Mineral Symbol
- For
- Mohs' hardness
- 2.5
- density
- 6.27
- chemical formula
- CuPb₂(CrO₄)(AsO₄)(OH)
- Strunz 8th edition (series ID, updated)
- VI/E.02
Sources (1)
via Wikidata · CC0
Connections
Mohs scale of mineral hardness
Entity
monoclinic crystal system
Entity
Republic of the Congo
Country
copper
Entity
lead
Entity
mineral
Entity
mass density
Entity
digital object identifier
Entity
chemical formula
Entity
refractive index
Entity
crystal structure
Entity
fluorite
Entity
bibcode
Entity
hydroxide salt
Entity
transparency
Entity
birefringence
Entity
streak
Entity
crystal system
Entity
chrysocolla
Entity
wulfenite
Entity