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Dravite & Spessartine

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PJM38762

Dravite & Spessartine

Description Tabs

Description
Locality: 
Mica Creek, Mount Isa City Shire, Queensland, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 5.2 × 3.8 cm
Description

A single doubly terminated black dravite crustal that has goos kustre even though surfaces has been naturally etched. Little bright red spessartine crystals imbedded in the dravite provide attractive highlights when the crystal is rotated.

Mineral Data
What's on the rock

Dravite

Formula: 
Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Crystal System: 
Trigonal
Hardness: 
7.0
Type Locality: 
Dobrova, Dravograd (Unterdrauburg), Slovenia

Spessartine

Formula: 
Mn2+3Al2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.5
Streak: 
White
Type Locality: 
Sommer quarry, Wendelberg, Haibach, Aschaffenburg, Spessart, Franconia, Bavaria, Germany
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.