Johannite with Zippeite
SOLD
Johannite with Zippeite
- Sold
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- Availability
- Sold
- Size
- 7 x 6.5 x 4 cm - Sm Cabinet
- Formula
- Cu(UO2)2(SO4)2(OH)2·8H2O (RRUFF)
- Locality
- Cliff Lode, Wheal Edward, St. Just, Cornwall, England
- Tagged
- copper
This is mostly a good Zippeite specimen with bright yellow pulverulent coating throughout matrix. The Johannite is suspect, and could very well be zeunerite or just Malachite.
Johannite
- Formula
- Cu(UO2)2(SO4)2(OH)2·8H2O
- Crystal System
- Triclinic
- Crystal Habit
- Druse, Reniform, Massive
- Cleavage
- Good, None, None
- Luster
- Vitreous (Glassy)
- Color
- yellow, greenish yellow
- Streak
- light green
- Class
- Triclinic - Pinacoidal
- Fracture
- Irregular
- Hardness
- 2
Data courtesy of Webmineral.
- Collection
- Phillips Collection
- Mineralpedia
- View Johannite
- On Dakota Matrix
- Previously Sold Johannite
- On Dakota Matrix
- Other Available Johannite
- WebMineral
- View Johannite
- Mindat
- View Johannite
