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Gummite & Allanite-(Nd)

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SHS723676

Gummite & Allanite-(Nd)

Description Tabs

Description
Locality: 
Kingman Feldspar Mine, Wallapai District, Mohave County, Arizona, United States of America
Class: 
Massive/Crystalline
Size Range: 
Cabinet (10-18 cm)
Size: 
15.5 × 11 × 6 cm
Description

Nice yellow gummite with many allanite-(Nd) and biotite on in feldspar

Mineral Data
What's on the rock

Allanite-(Nd)

Formula: 
{CaNd}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Hardness: 
0.0
Type Locality: 
Åskagen Quarry (Torskebäcken), Persberg district, Filipstad, Värmland, Sweden