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Calcite & Chalcedony

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PDM1038398

Calcite & Chalcedony

Description Tabs

Description
Locality: 
Monte Verde, São Vicente Island, Barlavento Islands, Cape Verde
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.5 × 2.3 cm
Weight: 
26.00gr
Description

Extremely rare locality specimen featuring globular clusters of golden and reddish-orange calcite with minor white chalcedony balls, on a volcanic matrix. Collected in a trekking trip near the top of the Monte Verde by Ludo Van Goethem. Monte Verde is the highest point (744 m) of the island of São Vicente.

Ex Ludo Van Goethem collection.

Combine specimens to reduce shipping costs!.

Mineral Data
What's on the rock

Calcite

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

Chalcedony

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Kadıköy (Chalcedon), Istanbul Province, Marmara Region, Turkey

Seller Information

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