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Armstrongite

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CAM516455

Armstrongite

Type Locality

Description Tabs

Description
Locality: 
Khan Bogd, Khanbogd District, Ömnögovi Aimag, Mongolia
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.3 × 3.8 × 3.5 cm
Description

Named after NASA astronaut Neil Armstrong, first to land on the moon in 1969. Flesh-coloured to brown massive armstrongite from the Type Locality in the Gobi Dessert, Mongolia, associated with some green aegirine and black bastnäsite.

Mineral Data
What's on the rock

Armstrongite

Formula: 
CaZr[Si6O15]·3H2O
Strunz: 
9.EA.35
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Dorozhnyi pegmatite, Khan Bogdo Massif (Khan-Bogdinskii), Gobi Desert, Mongolia
Cartils Minerals

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