448 CTS LEPIDOLITE MINERAL SPECIMEN MS 814

6617

Occurrences of Lepidolite 65 x 35x 35 mm
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
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

Occurrences of Lepidolite 65 x 35x 35 mm
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
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

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