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Aegirine Microcline & Zircon

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BSM178940

Aegirine Microcline & Zircon

Description Tabs

Description
Locality: 
Mount Malosa, Zomba, Southern Region, Malawi
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.2 × 3.5 cm
Description

 Highly lustrous greenish black crystals of aegirine intermixed with off-white crystals of microcline, glassy smoky quartz crystals and bright lemon yellow prismatic zircon crystals.  Some of the ziron crystals are completley transparent and gemmy towards their terminations.  The microcline fluoresces a pinkish red under short wave ultraviolet light whilst the zircon takes on a rich fiery orange.

It is possible there are a few tiny colourless to white barylite crystals present but not confirmed - microscope needed.

Mineral Data
What's on the rock

Aegirine

Formula: 
NaFe3+Si2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.25
Crystal System: 
Monoclinic
Hardness: 
6.0
Type Locality: 
Rundemyr, Øvre Eiker, Buskerud, Norway

Microcline

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Triclinic - Pinacoidal
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Arendal, Aust-Agder, Norway

Zircon

Formula: 
ZrSiO4
Strunz: 
9.AD.30
Crystal System: 
Tetragonal
Hardness: 
7.5
Streak: 
White

Seller Information

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