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Feruvite & Schorl

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PJM140533

Feruvite & Schorl

Description Tabs

Description
Locality: 
Duchess Mine, Duchess, Cloncurry Shire, Queensland, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5.2 × 3.6 cm
Description

A cluster of terminated schorl crystals with an overgrowth/intergrowth of the rare Fe 2+ analogue of uvite, collected in 2010 from an outcropping near the Dutchess Mine. Associated on the outer edges are pale green acicular tourmaline possibly elbaite crystals

Mineral Data
What's on the rock

Feruvite

Formula: 
Ca(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.0
Streak: 
Grey.
Type Locality: 
Repanga Island (Cuvier Island), Waikato, North Island, New Zealand

Schorl

Formula: 
Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.0
Earthstones Australia

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