Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Epididymite & Aegirine

Views:
Watches:
CR116802

Epididymite & Aegirine

Rare Mineral

Description Tabs

Description
Locality: 
Mount Malosa, Zomba, Southern Region, Malawi
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.8 × 5.8 × 3.6 cm
Description

A fantastic epididymite specimen, both for its size (enormous for the species) and for its quality. It consists of an aggregate of large white laminar crystals of epididymite with a satiny luster and with fine black crystals of aegirine on feldspar matrix.

Mineral Data
What's on the rock

Epididymite

Formula: 
Na2Be2Si6O15·H2O
Strunz: 
9.DG.55
Crystal System: 
Orthorhombic
Hardness: 
5.5
Type Locality: 
Narsaarsuk pegmatite (Narssârssuk pegmatite), Narsaarsuk Plateau, Igaliku (Igaliko), Narsaq, Kujalleq, Greenland

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