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Wiluite

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CR19771

Wiluite

Description Tabs

Description
Locality: 
Vilui River Basin, Sakha Republic, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
5.8 × 7.3 × 2.8 cm
Largest Crystal: 
1.60cm
Description

An exceptional specimen of large wiluite crystals in matrix from an old collection. Acquired in 1978.

With Dr. F. Krantz, Germany label

Mineral Data
What's on the rock

Wiluite

Formula: 
Ca19(Al,Mg)13(B,☐,Al)5(Si2O7)4(SiO4)10(O,OH)10
Strunz: 
9.BG.35
Crystal System: 
Tetragonal
Hardness: 
6.0
Type Locality: 
Vilyui River Basin (Vilui River Basin; Wilui River Basin), Sakha Republic (Saha Republic; Yakutia), Eastern-Siberian Region, Russia