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Aurichalcite with Calcite

#AH54896

Aurichalcite with Calcite

#AH54896
Availability
Available
Price
$125.00
Size
13 x 11 x 5 cm - Cabinet 
Formula
Zn5(CO3)2(OH)6 (RRUFF)
Locality
Mina Ojuela, Mapimi, Durango, Mexico
Tagged
carbonate

Cabinet specimen with large pockets of bluish green sheaf-like crystal bundles in radial sprays to 3mm. Within these pockets are 2-6mm Calcite crystals some of which are waterclear. Some of the Aurichalcite sprays are completely engulfed by clear Calcite to the point at which it terminates atop of the Aurichalcite termination - and it's really cool. One of the photos has a little tiny sprays no more than 0.75mm of I think Hemimorphite.

Aurichalcite

Formula
Zn5(CO3)2(OH)6 
Crystal System
Monoclinic 
Crystal Habit
Druse, Encrustations, Acicular 
Cleavage
Perfect, None, None 
Luster
Pearly 
Color
pale green, sky blue, greenish blue 
Streak
light blue 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness

Data courtesy of Webmineral.

Collection
Arnold G Hampson Collection

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