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Calcite & Analcime

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CAM183009

Calcite & Analcime

Description Tabs

Description
Locality: 
Gopher Valley Quarry, Gopher Valley, Yamhill County, Oregon, United States of America
Size Range: 
Cabinet (10-18 cm)
Size: 
11.5 × 8 × 4.8 cm
Largest Crystal: 
2.00cm
Description

A very fine and showy display piece from an very uncommon locality in Oregon.
Yellow rhombohedral calcite up to 2 cm and small colourless analcime crystals richly covering the matrix.

Mineral Data
What's on the rock

Calcite

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

Analcime

Formula: 
Na2(Al2Si4O12)·2H2O
Strunz: 
9.GB.05
Crystal System: 
Triclinic
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Cyclopean Islands, Acitrezza (Aci Trezza), Etna Volcanic Complex, Catania Province, Sicily, Italy
Cartils Minerals

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