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Calcite Boulangerite Siderite & Quartz

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ATH1089100

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Description
Locality: 
Herja Mine, Chiuzbaia, Baia Mare, Maramureș County, Romania
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
14.3 × 11.4 × 5.5 cm
Weight: 
686.00gr
Description

Definitly a premium matrix specimen from Herja, Romania.

Numerous white calcite balls of different sizes, the largest being half white and half black due to the boulangerite. Largest black/white ball diameter is about 4.5 cm

Everything on a quartz matrix while you find also many so called "maramures diamonds" (these double ended small quartz crystals) growing on several parts. Moreover there are shiny beige-brown Siderite crystals inbetween.

Furthermore, due to its three-dimensionality, it is a quiet aesthetic piece.

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Boulangerite

Formula: 
Pb5Sb4S11
Strunz: 
2.HC.15
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Colour: 
Lead grey
Streak: 
Brownish
Type Locality: 
Molières, Gard, Languedoc-Roussillon, France

Siderite

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

Quartz

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

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Shipping Information

Postage Area Price
AT 2 kg
5
EU 2 kg
16
Rest of Europe 2 kg
19
USA, Canada, Japan, South Korea 1 kg
22
Australia, New Zealand, Rest of World 1 kg
29

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