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Poldervaartite

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ESM798899

Poldervaartite

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1 × 1 cm
Description

Creme colored bow-tie like poldervaartite crystals

Mineral Data
What's on the rock

Poldervaartite

Formula: 
CaCa[SiO3(OH)](OH)
Strunz: 
9.AF.90
Crystal System: 
Orthorhombic
Hardness: 
5.0
Streak: 
white
Type Locality: 
Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese field, Northern Cape Province, South Africa...
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