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Parasymplesite & Pharmacosiderite

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BCK678449

Parasymplesite & Pharmacosiderite

George Elling collection
Classic Locality

Description Tabs

Description
Locality: 
Sterling Hill, Ogdensburg, Sussex County, New Jersey, United States of America
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11.7 × 6.8 × 4.4 cm
Description

You are bidding on a very large sample with a fracture surface lined with yukonite that is hosting some blue radial sprays of parasymplesite with hundreds of tiny green, cubic and tetrahedral pharmacosiderite crystals. 

Mineral Data
What's on the rock

Parasymplesite

Formula: 
Fe2+3(AsO4)2·8H2O
Strunz: 
8.CE.40
Hardness: 
2.0
Type Locality: 
Kiura mine (Shin-Kiura mine; Kiura emery mine), Saiki City, Oita prefecture, Kyushu Region, Japan

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

Seller Information

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