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Sphalerite Var Marmatite

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MNT643733

Sphalerite Var Marmatite

ex Krantz, before ex W.G.Silkens (GER)
Classic Locality

Description Tabs

Description
Locality: 
Rio Marina, Elba, Livorno Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 4.3 × 4.3 cm
Description

Not so often seen and more uncommon than the usual pyrites from Elba: nicely developed blackish sphalerite crystals var marmatite on matrix most probably from the Falcacci stope (not the Giove stope as written on the label). 1982 specimen from W.G.Silkens, then Krantz.

Mineral Data
What's on the rock

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Marmatite

Variety Of: 

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Hardness: 
3.5 - 4.0
Formula: 
(Zn,Fe)S
Hardness: 
0.0
Colour: 
Black

Seller Information

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Seller's terms and conditions

Terms & Conditions

Thank you for your interest in my offers! Payment is possible via Paypal, bank transfer or cash if you pick up the item(s) personally. Bank data will be provided after settling the auction/transaction(s) if needed.

In case you are not happy with a specimen, you may send it back within 4 weeks. After receipt, i will refund the price minus shipping costs. Please inform me before sending an item back. If you have any questions (or maybe complaints) please feel free to contact me.

Best regards Roger