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Limonite Psm Siderite With Hematite & Quartz

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PDM694708

Limonite Psm Siderite With Hematite & Quartz

Pseudomorph

Description Tabs

Description
Locality: 
Virgen de Gracia Mine, Oliva de la Frontera, Badajoz, Extremadura, Spain
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.7 × 6.6 × 4 cm
Description

Lenticular crystals of siderite that have been replaced completely by limonite. They cover a matrix of transparent quartz crystals that are naturally brecciated and recrystallized. The paragenesis is completed by black lustrous hematite crystals that form rosettes and red bright hematite microcrystals.

Self-collected in May 1999. Ex. Iván Blanco collection.

Mineral Data
What's on the rock

Siderite

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

Hematite

Formula: 
Fe2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
5.0 - 6.0

Quartz

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

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