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Fayalite & Cristobalite

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CFL946205

Description Tabs

Description
Locality: 
California, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 2 cm
Description

Typical specimen of brown fayalite microcrystals on white cristobalite.  Purchased in 1973.

Mineral Data
What's on the rock

Fayalite

Formula: 
Fe2+2SiO4
Strunz: 
9.AC.05
Crystal System: 
Orthorhombic
Hardness: 
7.0
Type Locality: 
Faial Island (Fayal Island), Azores District, Portugal

Cristobalite

Formula: 
SiO2
Strunz: 
4.DA.15
Crystal System: 
Tetragonal - Trapezohedral
Hardness: 
6.0 - 7.0
Streak: 
White
Type Locality: 
Cerro San Cristóbal, Mun. de Pachuca, Hidalgo, Mexico

Current price

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Start 15 Feb 18:00
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Shipping Information

Postage Area Price
Canada
$14
USA
$14
Europe
$15
Rest of World
$17

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Collection Arkane accept payments by Paypal and direct email messages.

Bid History

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