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Törnebohmite Cerite Allanite Brochantite & Wroewolfeite

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CLB187342

Törnebohmite Cerite Allanite Brochantite & Wroewolfeite

ex collection Peter Wittmann
Rare Mineral

Description Tabs

Description
Locality: 
Bastnäs Mines, Riddarhyttan, Skinnskatteberg, Västmanland County, Sweden
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 3 × 1.7 cm
Description

Good sample with several rare mineral species: - törnebohmite-(ce), olive-green - cerite-(ce), brownish-red - allanite-(ce), dark brown (questionable) - wroewolfite, blueish-green and some not o rare, green brochantite. Bastnäs is the type locality of cerite-(ce) and törnebohmite-(ce).

Mineral Data
What's on the rock

Törnebohmite

Synonym Of: 

Törnebohmite-(Ce)

Formula: 
(Ce,La)2Al(SiO4)2(OH)
Strunz: 
9.AG.45
Hardness: 
4.5

Törnebohmite-(La)

Formula: 
(La,Ce)2Al(SiO4)2(OH)
Strunz: 
9.AG.45
Hardness: 
4.5

Cerite

Synonym Of: 

Cerite-(Ce)

Formula: 
(Ce,Ca)9(Mg,Fe)(SiO4)3(HSiO4)4(OH)3
Strunz: 
9.AG.20
Hardness: 
5.5

Cerite-(La)

Formula: 
(La,Ce,Ca)9(Fe,Ca,Mg)(SiO4)3(HSiO4)4(OH)3
Strunz: 
9.AG.20
Hardness: 
5.0

Allanite

Synonym Of: 

Allanite-(Ce)

Formula: 
{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Hardness: 
5.5 - 6.0

Allanite-(La)

Formula: 
{CaLa}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Hardness: 
6.0

Allanite-(Y)

Formula: 
{CaY}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Hardness: 
5.5 - 6.5

Brochantite

Formula: 
Cu4(SO4)(OH)6
Strunz: 
7.BB.25
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Mednorudyanskoye Cu Deposit, Nizhnii Tagil, Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...

Wroewolfeite

Formula: 
Cu4(SO4)(OH)6·2H2O
Strunz: 
7.DD.10
Hardness: 
2.5
Type Locality: 
Manhan Mines (Loudville Mine; Southampton Lead Mine; Northampton Lead Mine), Easthampton, Hampshire Co., Massachusetts, USA

Seller Information

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