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Natanite & Jacobsite

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SKY771053

Natanite & Jacobsite

Rare Mineral

Description Tabs

Description
Locality: 
Potosí Mine, Francisco Portillo, Santa Eulalia, Aquiles Serdán Municipality, Chihuahua, Mexico
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.15 × 0.15 × 0.1 cm
Description

Outstanding sharp yellow natanite crystal associated to globular and also sharp black jacobsite from Mexico.

Natanite crystals in this almost gemmy quality are very rare !

 

Mineral Data
What's on the rock

Natanite

Formula: 
Fe2+[Sn(OH)6]
Strunz: 
4.FC.10
Hardness: 
5.0
Type Locality: 
Trudovoe Sn deposit, Inyl'chek Range, Issyk-Kul'skaya Oblast, Kyrgyzstan...

Jacobsite

Formula: 
Mn2+Fe3+2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.5
Type Locality: 
Jakobsberg Mine, Nordmark (Nordmarksberg), Filipstad, Värmland, Sweden

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