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Manandonite & Quartz

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SER713439

Manandonite & Quartz

Type Locality

Description Tabs

Description
Locality: 
Antandrokomby Pegmatite, Manandona Valley, Ambositra, Amoron'i Mania, Madagascar
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 3.1 × 2.5 cm
Description

a cluster of quartz crystals hosts several white balls of mamandonite  from its type locality ; self collected on 1999

Mineral Data
What's on the rock

Manandonite

Formula: 
Li2Al4(Si2AlB)O10(OH)8
Strunz: 
9.ED.15
Hardness: 
2.5 - 3.5
Type Locality: 
Antandrokomby pegmatite, Manandona Valley, Sahatany Pegmatite Field (Mt Ibity area), Vakinankaratra Region, Antananarivo Province, Madagascar

Quartz

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