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Pharmacosiderite & Ogdensburgite

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BCK653633

Pharmacosiderite & Ogdensburgite

Ted Bartels collection
Type Locality

Description Tabs

Description
Locality: 
Sterling Hill, Ogdensburg, Sussex County, New Jersey, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.4 × 1.8 × 0.9 cm
Description

You are bidding on a small sample with a fracture surface lined with red, fibrous botryoidal ogdensburgite that is coated with hundreds of tiny green pharmacosiderite cubes. Pharmacosiderite is very rare at Sterling Hill and this is a good specimen from the 960 stope at the 340 level. 

Mineral Data
What's on the rock

Pharmacosiderite

Formula: 
KFe3+4(AsO4)3(OH)4·6-7H2O
Strunz: 
8.DK.10
Hardness: 
2.5
Streak: 
white
Type Locality: 
Carharrack Mine, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK

Ogdensburgite

Formula: 
Ca2Fe3+4(Zn,Mn2+)(AsO4)4(OH)6·6H2O
Strunz: 
8.DC.57
Hardness: 
2.0
Type Locality: 
Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA

Seller Information

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