Measurements: 131 x 27 x 24 mm
Description: A large aegirine crystal with lovely, shiny facets and groups of feldspar crystals, with deposits of hematite and two small (± 3 and 6 mm long) (?)goethite crystals.
There
are a few pressure marks to the lower end and towards the middle. The
termination has a very neat pressure mark, and two minute (damaged)
quartz crystals there. Just below the termination is some
damage.
Weight of Specimen: 146.8
g
Chemical
Composition: NaFe3+(Si2O6)
(aegirine)
KAlSi3O8
(feldspar)
Hardness
on Mohs Scale: (aegirine)
6
(feldspar)
6 - 6.5
Location: Zomba Mountains, Malawi, Africa.
Specimen Code: VAR 043
US $ 150
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