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0 item @ $0.00  

Morinite (cuprian), with Kidwellite & Lipscombite etc

#49783

Morinite (cuprian), with Kidwellite & Lipscombite etc

#49783
Availability
Sold
Size
7 x 5.5 x 4.5 cm - Sm Cabinet 
Formula
NaCa2Al2(PO4)2(OH)F4·2H2O (RRUFF)
Locality
Silver Coin mine, Humboldt Co., Nevada, United States
Tagged
phosphate

Silver Coin is known for its fabulous micro crystals of phosphates, arsenates, and carbonates. It has 144 valid minerals and eight minerals first found there. These specimens are certainly not all inclusive of what may also be on the specimen. It takes hours of microscope time time to identify all the minerals. And just sight alone is not good enough.

This specimen contains blue Morinite with light green Kidwellite, and dark greenish yellow Lipscombite. All are identified at the colored arrows, which is noted on the backside of the labels.

Morinite

Formula
NaCa2Al2(PO4)2(OH)F4·2H2
Crystal System
Monoclinic 
Cleavage
Perfect, Indistinct, None 
Luster
Vitreous - Greasy 
Color
colorless, white, light pink, pink 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
4-4.5 

Data courtesy of Webmineral.

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