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Cassiterite & Schorl In Quartz

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PJM134746

Cassiterite & Schorl In Quartz

Description Tabs

Description
Locality: 
Mount Cleveland Mine, Luina, Heazlewood, Waratah-Wynyard Municipality, Tasmania, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.9 × 1.2 cm
Description

Two gemmy clear quartz crystals are included with black cassiterite crystals and thick tabular crystals of mica speared by thin acicular schorl  crystals

Mineral Data
What's on the rock

Cassiterite

Formula: 
SnO2
Strunz: 
4.DB.05
Crystal System: 
Tetragonal
Hardness: 
6.0 - 7.0

Schorl

Formula: 
Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.0

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
Earthstones Australia

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