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Almandine-Pyrope Series With Dravite On Graphite

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RHT798627

Almandine-Pyrope Series With Dravite On Graphite

Description Tabs

Description
Locality: 
Red Embers Mine, Erving, Franklin County, Massachusetts, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.3 × 6.2 × 0.8 cm
Weight: 
58.00gr
Description

Two fiery red garnet crystals of the almandine-pyrpe series with minor black-brown dravite crystals, covering an edge of the bigger garnet crystal on one side. On massive graphite.

The red comes out nicely with backlight.

Mineral Data
What's on the rock

Dravite

Formula: 
Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Crystal System: 
Trigonal
Hardness: 
7.0
Type Locality: 
Dobrova, Dravograd (Unterdrauburg), Slovenia

Graphite

Formula: 
C
Strunz: 
1.CB.05a
Crystal System: 
Hexagonal
Hardness: 
1.0 - 2.0