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Fayalite & Tridymite

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PJM181976

Fayalite & Tridymite

Description Tabs

Description
Locality: 
Lake Taupo, Taupo District, Waikato Region, North Island, New Zealand
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3 × 2.5 cm
Description

Dark brown fayalite crystals, as isolated individuals, on off-white druzy tridymite crystals, the matrix is a vughy rhyolite

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

Tridymite

Formula: 
SiO2
Strunz: 
4.DA.10
Crystal System: 
Triclinic - Pedial
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Cerro San Cristóbal, Mun. de Pachuca, Hidalgo, Mexico
Earthstones Australia

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

All goods must be paid for prior to shipping, all bids are binding.