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Crocoite On Dundasite

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PJM39704

Crocoite On Dundasite

Description Tabs

Description
Locality: 
Adelaide Mine, Dundas, West Coast Municipality, Tasmania, Australia
Size Range: 
Small cabinet (7-10 cm)
Size: 
2.5 × 4.3 × 7.2 cm
Description

A thin plate of limonitic gossan hosts dozens of individual free standing crocoite crystals, many of which are doubly terminated.

Underlaying the crocoite in many places is a bed of off white dundasite.

This specimen dates back to the early days (in 1970') of Frank Mihajlowits the Adelaide Mine for specimens

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...

Dundasite

Formula: 
PbAl2(CO3)2(OH)4·H2O
Strunz: 
5.DB.10
Crystal System: 
Orthorhombic
Hardness: 
2.0
Type Locality: 
Adelaide Mine (Adelaide Pty Mine; Adelaide Proprietary Mine), Dundas mineral field, Zeehan District, Tasmania, Australia
Earthstones Australia

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