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2 items @ $85.00  

Mixed Minerals

Sunday, 09 July 2023 08:00 AM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including lepidolite, and pearceite and more from places like Harding mine, Taos Co., New Mexico, United States, and Sarbay mine, Kostanay, Kazakhstan.

Lepidolite

with Spodumene - #AH62036
Locality
Harding mine, Taos Co., New Mexico, United States 
Formula
K(Li,Al)3(Si,Al)4O10(F,OH)2 
Availability
Available
Price
$45.00
Size
8 x 5.5 x 3 cm - Sm Cabinet 
Tagged
pegmatite mineral  

Compact, rich purple Lepidolite with blades of Spodumene to 5cm and white Albite. Both are lithium ore minerals.


Lepidolite

Formula
K(Li,Al)3(Si,Al)4O10(F,OH)2 
Crystal System
Monoclinic 
Crystal Habit
Platy, Foliated, Massive 
Cleavage
Perfect, None, None 
Luster
Vitreous - Pearly 
Color
colorless, gray white, lilac, yellowish, white 
Streak
white 
Class
Monoclinic 
Fracture
Uneven 
Hardness
2.5-3 
Collection
Arnold G Hampson Collection

Pearceite

#KR61939
Locality
Sarbay mine, Kostanay, Kazakhstan 
Formula
Cu(Ag,Cu)6Ag9As2S11 
Availability
Available
Price
$240.00
Size
6 x 4 x 3 cm - Sm Cabinet 
Tagged
sulfide , copper , silver  

Several excellent, well-formed Pearceite crystals to 3mm in clusters to 1.3cm.


Pearceite

Formula
Cu(Ag,Cu)6Ag9As2S11 
Crystal System
Trigonal 
Crystal Habit
Massive - Granular, Granular 
Cleavage
Poor, None, None 
Luster
Sub Metallic 
Color
black 
Streak
reddish black 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Conchoidal - Irregular 
Hardness
Collection
Kenneth Raabe Collection
Mineralpedia
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Previously Sold Pearceite
On Dakota Matrix
Other Available Pearceite
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