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Alum-(K)

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SHS127977

Alum-(K)

Description Tabs

Description
Locality: 
Togagori, Yongyang-gun, Gyeongsangbuk-do, North Gyeongsang Province, South Korea
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 1.7 × 1.4 cm
Description

Nice alum k crystal, historical piece from the late 19th century

Mineral Data
What's on the rock

Alum-(K)

Formula: 
KAl(SO4)2·12H2O
Strunz: 
7.CC.20
Hardness: 
2.0