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Dundasite & Crocoite

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PJM39556

Dundasite & Crocoite

Ex Chris Johnston Collection
Type Locality

Description Tabs

Description
Locality: 
Adelaide Mine, Dundas, Zeehan District, Tasmania, Australia
Size Range: 
Small cabinet (7-10 cm)
Size: 
2.6 × 7.3 × 4 cm
Description

A superb white to robins egg blue dundasite with minor crocoite from the type locality at the Adelaide Mine. The dundasite occurs as tightly bundled spheres of crystals on a limonitic matrix

This mineral was named for the Dundas Mine Field,  which is world famous for the Crocoite specimens the area produces.

Mineral Data
What's on the rock

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

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...
Earthstones Australia

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