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0 item @ $0.00  

Mixed Minerals

Saturday, 21 April 2018 08:00 AM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including apophyllite and more from places like Seneca mine, Mohawk, Keweenaw Co., Michigan, United States.

Apophyllite

#PD48866
Locality
Seneca mine, Mohawk, Keweenaw Co., Michigan, United States 
Formula
(K,Na)Ca4Si8O20F·8H2
Availability
Available
Price
$25.00
Size
8 x 4 x 3.5 cm - Sm Cabinet 

1-2mm colorless crystals.


Apophyllite

Formula
KCa4(Si4O10)2F�8(H2O) 
Crystal System
Tetragonal 
Crystal Habit
Crystalline - Coarse, Pseudo Cubic, Massive 
Cleavage
Perfect, None, None 
Luster
Vitreous - Pearly 
Color
white, pink, green, yellow, violet 
Streak
white 
Class
Tetragonal - Ditetragonal Dipyramidal 
Fracture
Uneven 
Hardness
4-5 
Collection
Don Phillips Collection

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