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Siderite Calcite Quartz & Pyrrhotite

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MNT742190

Siderite Calcite Quartz & Pyrrhotite

Classic Locality

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Description
Locality: 
Morro Velho Mine, Nova Lima, Minas Gerais, Brazil
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.3 × 7.7 × 3 cm
Description

A brazilian classic: very nice combo specimen with brown siderite crystals, whiteish calcite rhombs including tiny platy hexagonal pyrrhotite crystals and a clear quartz crystal on top. 1970s

Mineral Data
What's on the rock

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

Calcite

Polymorph of: 
Aragonite and Vaterite
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Pyrrhotite

Formula: 
Fe1-xS (x = 0 to 0.17)
Strunz: 
2.CC.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

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

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