Gudmundite with Berthierite
SOLD
Gudmundite with Berthierite
- Sold
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- Availability
- Sold
- Size
- 5.5 x 5 x 2.5 cm - Sm Cabinet
- Formula
- FeSbS (RRUFF)
- Locality
- Vlastějovice, Zruč nad Sázavou, Bohemia, Czech Republic
- Tagged
- sulfide
The Berthierite occurs as slender iridescent prismatic crystals to 2cm within the matrix. The Gudmundite is not as easy to pick out but I believe these are the brassy crystal grains near the edges of this specimen. It's an old specimen with an old inked label (see prov. tab).
Antique Specimen
Gudmundite
- Formula
- FeSbS
- Crystal System
- Monoclinic
- Crystal Habit
- Massive - Granular, Crystalline - Fine
- Cleavage
- None, None, None
- Luster
- Metallic
- Color
- silvery white, steel gray
- Streak
- grayish black
- Class
- Monoclinic - Prismatic
- Fracture
- Uneven
- Hardness
- 5.5-6
Data courtesy of Webmineral.
- Special Info
- Antique Specimen
- Mineralpedia
- View Gudmundite
- On Dakota Matrix
- Previously Sold Gudmundite
- On Dakota Matrix
- Other Available Gudmundite
- WebMineral
- View Gudmundite
- Mindat
- View Gudmundite
