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Mesolite & Analcime On Andesine & Ilmenite

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PJM124550

Mesolite & Analcime On Andesine & Ilmenite

Description Tabs

Description
Locality: 
Bundoora Quarry, Victoria, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 3.5 × 1.5 cm
Description

A shallow cavity that covers the display face of this specimen is lined with black bladed ilmenite crystals and stick like andesine crystals, many partly replaced by limonite and over which a layer of gemmy clear analcime crystals that has the occassional snow white hemisphere of mesolite crystals

Mineral Data
What's on the rock

Mesolite

Formula: 
Na2Ca2Si9Al6O30·8H2O
Strunz: 
9.GA.05
Hardness: 
5.0

Analcime

Formula: 
Na2(Al2Si4O12)·2H2O
Strunz: 
9.GB.05
Crystal System: 
Triclinic
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Cyclopean Islands, Acitrezza (Aci Trezza), Etna Volcanic Complex, Catania Province, Sicily, Italy

Andesine

Variety Of: 

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Hardness: 
6.0 - 6.5
Formula: 
(Na,Ca)[Al(Si,Al)Si2O8]
Strunz: 
9.FA.35
Crystal System: 
Triclinic
Hardness: 
6.0 - 6.5
Streak: 
White

Ilmenite

Formula: 
Fe2+TiO3
Strunz: 
4.CB.05
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
5.0 - 6.0
Type Locality: 
Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...
Earthstones Australia

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