490 CTS 2 PC LEPIDOLITE MINERALSPECIMEN MYGM 1767

Item Information

Dimensions (mm) not provided
Weight (carats) not provided
Colors
Certified Gemstone

Occurrences of Lepidolite

Geological Setting: May be found in aplites associated with granite pegmatite. rarely found in hydrothermal veins and extremely rarely in granite contact zones.

Physical Properties of Lepidolite  SIZE 50X  X 40 X 28  MM

Lustre: Sub-Vitreous, Resinous, Greasy, Pearly
Diaphaneity (Transparency): Transparent, Translucent
Colour: Pink, light purple, light rose red, other colors possible but are rare.
Comment: Ideally colorless, but frequently occurs in manganese-bearing environments
Streak: white
Hardness (Mohs): 2½ - 3½
Tenacity: Elastic
Cleavage: Perfect
{001} perfect
Fracture: Micaceous
Density (measured): 2.8 - 2.9 g/cm3
Density (calculated): 2.83 g/cm3
Comment: Calculated densities for various polytypes to 3.11

$39.00 USD

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Pricing & Details

Auction ID 404482
Watchers 1 watching
Viewed 801 times
Starts 14th Feb 2014 8:18pm PST

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