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Calciohilairite & Kuzmenkoite-Mn

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SKY765060

Calciohilairite & Kuzmenkoite-Mn

Rare Mineral

Description Tabs

Description
Locality: 
Lovozero Massif, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.3 × 0.8 cm
Description

Tan crystals of the rare Zr mineral calciohilairite (photo 1 right) associated to plenty of prismatic orange crystals of kuzmenkoite-Mn (photo 1 left).

Specimen very rich in Kuzmenkoite-Mn crystals !

ExDr Hartel collection

Ex Excalibur collection with label included

Mineral Data
What's on the rock

Calciohilairite

Formula: 
CaZr[SiO3]3·3H2O
Strunz: 
9.DM.10
Hardness: 
4.0
Type Locality: 
Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA

Kuzmenkoite-Mn

Formula: 
K2Mn2+(Ti,Nb)4(Si4O12)2(OH,O)4·5-6H2O
Strunz: 
9.CE.30c
Crystal System: 
Monoclinic
Hardness: 
5.0
Streak: 
White
Type Locality: 
Selsurt Mt (Flora Mt), Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

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