petzite
Sign in to saveThe mineral petzite, Ag3AuTe2, is a soft, steel-gray telluride mineral generally deposited by hydrothermal activity. It forms isometric crystals, and is usually associated with rare tellurium and gold minerals, often with silver, mercury, and copper.
Key facts
- Mineral.name
- Petzite
- Mineral.category
- telluride mineral
- Mineral.image
- Petzite.jpg
- Mineral.caption
- Petzite with quartz – Sacarîmb, Nagyág, Romania
- Mineral.formula
- Ag3AuTe2
- Mineral.IMAsymbol
- Ptz
- Mineral.strunz
- 2.BA.40a
- Mineral.system
- Cubic
- Mineral.class
- Gyroidal (432) (same H-M symbol)
- Mineral.symmetry
- I4132
- Mineral.color
- Steel-gray to iron-black, commonly tarnished from bronze-yellow to sooty black; grayish white with a pale bluish tint in polished section
- Mineral.habit
- Granular to massive
- Mineral.fracture
- Subconchoidal irregular
- Mineral.tenacity
- Slightly sectile to brittle.
- Mineral.mohs
- 2.5 – 3
- Mineral.luster
- Metallic
- Mineral.streak
- Grayish black
- Mineral.diaphaneity
- Opaque
via Wikipedia infobox
Wikidata facts
- Image
- Petzite.jpg
Show 6 more facts
- Commons category
- Petzite
- chemical formula
- Ag₃AuTe₂
- Nickel-Strunz 9th edition (updated 2009)
- 2.BA.40a
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 2.BA.75
- IMA Mineral Symbol
- Ptz
- Strunz 8th edition (series ID, updated)
- II/A.03
Sources (1)
via Wikidata · CC0
~1 min read
Article
2 sectionsContents
- See also
- References
The mineral petzite, Ag3AuTe2, is a soft, steel-gray telluride mineral generally deposited by hydrothermal activity. It forms isometric crystals, and is usually associated with rare tellurium and gold minerals, often with silver, mercury, and copper.
The name comes from chemist W. Petz, who first analyzed the mineral from the type locality in Săcărâmb, Transylvania, Romania in 1845. It was described by Wilhelm Karl Ritter von Haidinger in 1845 and dedicated to W. Petz who had carried out the first analyses.