argyrodite
Sign in to saveArgyrodite is an uncommon silver germanium sulfide mineral with formula Ag8GeS6. The color is iron-black with a purplish tinge, and the luster metallic.
Key facts
- Mineral.name
- Argyrodite
- Mineral.category
- Sulfide mineral
- Mineral.image
- Argyrodite-170093.jpg
- Mineral.formula
- Ag8GeS6
- Mineral.IMAsymbol
- Agy
- Mineral.strunz
- 2.BA.35
- Mineral.system
- Orthorhombic
- Mineral.class
- Pyramidal (mm2) H-M symbol: (mm2)
- Mineral.symmetry
- Pna21
- Mineral.unit cell
- a = 15.149, b = 7.476 c = 10.589 [Å]; Z = 4
- Mineral.color
- Black, purplish tinge
- Mineral.habit
- Pseudo-octahedra or pseudo-cubic, dodecahedra, cubes; radiating crystal aggregates, botryoidal crusts, or massive
- Mineral.twinning
- Pseudospinel law {111} penetration twins
- Mineral.cleavage
- Absent
- Mineral.fracture
- Uneven to conchoidal
- Mineral.mohs
- 2.5
- Mineral.luster
- Metallic
- Mineral.opticalprop
- Weakly anisotropic
via Wikipedia infobox
Wikidata facts
- Image
- Argyrodite-154922.jpg
Show 6 more facts
- Strunz 8th edition (series ID, updated)
- II/A.03 – Anhang
- Commons category
- Argyrodite
- chemical formula
- Ag₈GeS₆
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 2.BA.70
- Nickel-Strunz 9th edition (updated 2009)
- 2.BA.35
- IMA Mineral Symbol
- Agy
Sources (1)
via Wikidata · CC0
~3 min read
Article
2 sectionsContents
- Argyrodite-type material
- References
{{Infobox mineral | name = Argyrodite | category = Sulfide mineral | image = Argyrodite-170093.jpg | caption = | formula = Ag8GeS6 |IMAsymbol=Agy | strunz = 2.BA.35 | system = Orthorhombic | class = Pyramidal (mm2) H-M symbol: (mm2) | symmetry = Pna21 | unit cell = a = 15.149, b = 7.476 c = 10.589 [Å]; Z = 4 | color = Black, purplish tinge | habit = Pseudo-octahedra or pseudo-cubic, dodecahedra, cubes; radiating crystal aggregates, botryoidal crusts, or massive | twinning = Pseudospinel law {111} penetration twins | cleavage = Absent | fracture = Uneven to conchoidal | mohs = 2.5 | luster = Metallic | refractive = | opticalprop = Weakly anisotropic | birefringence = | pleochroism = Weak | streak = | gravity = 6.2-6.5 | density = | melt = | fusibility = | diagnostic = | solubility = | diaphaneity = Opaque | references = }}
Argyrodite is an uncommon silver germanium sulfide mineral with formula Ag8GeS6. The color is iron-black with a purplish tinge, and the luster metallic.