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Adamite On Calcite

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PFK704010

Adamite On Calcite

Classic Locality

Description Tabs

Description
Locality: 
Christiana Mine, Kamariza, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11.5 × 8.8 × 4.3 cm
Largest Crystal: 
1.60cm
Description

Before beginning to describe this specimen I must note that it is the best adamite that I have ever auctioned. Although a similar color tone and style may be common from Mexico, this color tone and crystal size are incredibly rare from Greece or Europe. The piece is cabinet sized with a layer of crystalline calcite that hosts several large pinwheel-like crystals with yellow color. The Adamites are translucent and have a sugary luster which possibly comes from a coating of tiny little calcite/aragonite crystals that are not visible to the naked eye. The largest aggregate on the piece measures 1.6cm across! I had the chance to acquire perhaps 90% of this find back in early 2017 which was the biggest investment that I have ever done on a single find. The find was unique and by far the best that I have ever seen from Greece and this is a fine and well-sized example.

There are saw marks on the matrix but they are not visible on the display side. Please also note that only a small portion of the find had this yellowish color, the majority were pale greenish to nearly colorless so this is an extra rarity within this find itself.

Mineral Data
What's on the rock

Adamite

Formula: 
Zn2(AsO4)(OH)
Strunz: 
8.BB.30
Crystal System: 
Orthorhombic
Hardness: 
3.5
Streak: 
white
Type Locality: 
Chañarcillo, Copiapó Province, Atacama Region, Chile

Calcite

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

Current price

Starting price

400
(reserve not met) (reserve met)

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Start 11 Feb 13:00
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Shipping Information

Postage Area Price
Greece
5
Europe
15
Rest of the World
18

Seller Information

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