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Monheimite Siderite Greenalite & Galena

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BGM572084

Monheimite Siderite Greenalite & Galena

Description Tabs

Description
Locality: 
San Valentín Quarry, Sancti Spiritu, La Unión, Murcia, Spain
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
3 × 3 × 5 cm
Weight: 
104.00gr
Description

Round aggregate of monheimite crystals in cavity, red brown veins of siderite, green greenalite crusts and silvery galena. Rare specimen and unusual combination.

Ex. collection Ginez Lopez Garcia. With original label.

Mineral Data
What's on the rock

Monheimite

Variety Of: 

Smithsonite

Formula: 
ZnCO3
Strunz: 
5.AB.05
Hardness: 
4.0 - 4.5
Hardness: 
0.0

Siderite

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

Greenalite

Formula: 
Fe2-3(Si2O5)(OH)4
Strunz: 
9.ED.15
Hardness: 
2.5
Type Locality: 
Biwabik, Mesabi Range, St. Louis Co., Minnesota, USA

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey

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