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Scorzalite

#DH35942
SOLD
Scorzalite from Victory mine, Custer Co., South Dakota, United States - DH35942
Scorzalite from Victory mine, Custer Co., South Dakota, United States - DH35942

Scorzalite

#DH35942
Availability
Sold
Size
4.5 x 3 x 2 cm - Miniature 
Formula
Fe2+Al2(PO4)2(OH)2 (RRUFF)
Locality
Victory mine, Custer Co., South Dakota, United States
Tagged
phosphate , pegmatite mineral

Deep blue crystal grains in white Microcline(?) matrix. This is a nice specimen from a mine which no longer exist.

Scorzalite forms a series with Lazulite, the Mg analogue. The type locality is Corrego Frio pegmatite mine in Brazil described in 1949 and was also found at the Victory mine near Custer, SD shortly thereafter. Moore (Min. Record, 1973) suggest Scorzalite as a metasomatic product of Triphylite (Fig. 1), but also suggest it is a replacement of Wyllieite. It is a mineral found almost exclusively in pegmatites, but has also been known to occur in metamorphic assemblages.

Scorzalite

Formula
Fe2+Al2(PO4)2(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Granular, Massive - Granular 
Cleavage
Good, None, None 
Luster
Vitreous - Dull 
Color
dark blue, greenish blue 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
5.5-6 

Data courtesy of Webmineral.

Collection
Hess Collection
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