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Ilvaite & Quartz

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PDM772449

Ilvaite & Quartz

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Description
Locality: 
Dalnegorsk, Primorskiy Kray, Russian Federation
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.7 × 1.1 cm
Description

Doubly ended ilvaite crystal, prismatic along [001] with sharp, jet-black colour and excellent chisel-point termination. They are combined with translucent pseudo-bipyramidal quartz crystals, some associated as elongated groups.

Ex. Dr. Bob Janssens specimen, #1119.

Mineral Data
What's on the rock

Ilvaite

Formula: 
CaFe2+2Fe3+(Si2O7)O(OH)
Strunz: 
9.BE.07
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0
Type Locality: 
Torre di Rio - Santa Filomena area (Monte della Torre), Rio Marina, Elba Island, Livorno Province, Tuscany, Italy

Quartz

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

Current price

Starting price

10
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Start 23 Apr 18:00
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Shipping Information

Postage Area Price
Belgium
6
Europe, USA*
7
Asia, Oceania, N-S America*, Africa
8

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Bid History

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