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Quartz & Aegirine

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MGR731764

Quartz & Aegirine

Description Tabs

Description
Locality: 
Mount Malosa, Zomba, Southern Region, Malawi
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.7 × 2.7 × 2.5 cm
Description

A sharp terminated smoky quartz crystal with several intergrown aegirine crystals - these are sharp, end pointed and lusttrous. The specimen is developed as floater - at the bottom  a group of tiny aegirine crystals is intergrown to the quartz. No significant damages to report.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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