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Crocoite With Gibbsite

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CYF630825

Crocoite With Gibbsite

Description Tabs

Description
Locality: 
Dundas Extended Mine, Dundas, Zeehan, West Coast Municipality, Tasmania, Australia
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 6.5 × 2.2 cm
Description

A spectacular crocoite specimen from Tasmania.  This specimen is bright orange/red in colour and has short stubby crystals with hollow freyed terminations.  There is gibbsite on the base of the crystals as well as a light dusting to one side.

Mineral Data
What's on the rock

Crocoite

Formula: 
Pb(CrO4)
Strunz: 
7.FA.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Type Locality: 
Tsvetnoi Mine, Uspenskaya Mt, Berezovskoe Au Deposit (Berezovsk Mines), Berezovskii (Berezovskii Zavod), Ekaterinburg (Sverdlovsk), Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...

Gibbsite

Formula: 
Al(OH)3
Strunz: 
4.FE.10
Hardness: 
2.5 - 3.0
Streak: 
White
Type Locality: 
Richmond, Berkshire Co., Massachusetts, USA