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Chalcophanite Goethite Hollandite & Siderite

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CMM573556

Chalcophanite Goethite Hollandite & Siderite

Description Tabs

Description
Locality: 
Tercera Esperanza Mine, Cabezo de San Ginés, Cartagena, Murcia, Spain
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.7 × 6.6 × 3 cm
Weight: 
98.00gr
Description

An interesting specimen with chalcophanite, goethite, hollandite and bright siderite in back side from Tercer Esperanza mine, Cartagena.

Mineral Data
What's on the rock

Chalcophanite

Formula: 
(Zn,Fe,Mn)Mn3O7·3H2O
Strunz: 
4.FL.20
Crystal System: 
Trigonal
Hardness: 
2.5
Type Locality: 
Passaic pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany

Hollandite

Formula: 
Ba(Mn4+6Mn3+2)O16
Strunz: 
4.DK.05a
Hardness: 
4.0 - 6.0
Streak: 
Black
Type Locality: 
Gowari Wadhona Mine, Chhindwara District (Chindawara District; Chindwara District), Jabalpur Division, Madhya Pradesh, India

Siderite

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

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

You have until 14 days to dessit of your purchase. Broken or damaged items will be replaced or refunded The refund does not include shipping costs Outside European Union buyers assumes customs duties Usually for combined purchases, until 2kg: Spain: 8€ Europe: 23€ Rest of World: 26€ We reserve the right to modify these prices and conditions, to fit the needs of each shipment.

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