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Ramsdellite

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JYJ184260

Ramsdellite

Description Tabs

Description
Locality: 
Takane Mine, Shimoda City, Shizuoka, Chubu, Honshu Island, Japan
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 0.6 × 0.5 cm
Description

Black metallic ramsdellite

Mineral Data
What's on the rock

Ramsdellite

Formula: 
Mn4+O2
Strunz: 
4.DB.15a
Crystal System: 
Orthorhombic
Hardness: 
3.0
Type Locality: 
Lake Valley District, Sierra Co., New Mexico, USA