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1 item @ $125.00  

Montgomeryite

#35302

Montgomeryite

#35302
Availability
Sold
Size
4.5 x 2 x 1 cm - Miniature 
Formula
Ca4MgAl4(PO4)6(OH)4·12H2O (RRUFF)
Locality
Tip Top mine, Custer Co., South Dakota, United States
Tagged
phosphate

Bright red lath-like crystals of Montgomeryite to 1mm. Otherside has light pink crystals.

Montgomeryite

Formula
Ca4MgAl4(PO4)6(OH)4·12H2
Crystal System
Monoclinic 
Cleavage
Perfect, Indistinct, None 
Luster
Vitreous (Glassy) 
Color
colorless, yellowish, white, green, red 
Streak
white 
Class
Monoclinic - Prismatic 
Hardness

Data courtesy of Webmineral.

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