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Rynersonite

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JYJ136128

Rynersonite

Description Tabs

Description
Locality: 
Herrebøkasa, Aspedammen, Idd, Halden, Viken, Norway
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.7 × 1 cm
Description

Beige coloured rynersonite aggregate from Herebokasa, Norway. This mineral contains niob and tantal.

Mineral Data
What's on the rock

Rynersonite

Formula: 
Ca(Ta,Nb)2O6
Strunz: 
4.DF.05
Crystal System: 
Orthorhombic
Hardness: 
4.5
Streak: 
white
Type Locality: 
San Diego Mine (K. C. Naylor mine), Gem Hill, Mesa Grande District, San Diego Co., California, USA