Photo: Krzątała, Arkadiusz and Krüger, Biljana and Galuskina, Irina and Vapnik, Yevgeny and Galuskin, Evgeny · CC BY 4.0
Walstromite
BaCa₂(Si₃O₉)
Cyclosilicate mineral
Properties
- Chemical formula
- BaCa₂(Si₃O₉)
- Group
- Silicates
- Crystal system
- Triclinic
- Hardness (Mohs)
- —
- Color
- —
- Luster
- —
- Streak
- —
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- triclinic-pedial
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 9.CA.25
- Dana classification
- 59.1.2.1
- IMA status
- Approved mineral and/or valid name (A)
- IMA symbol
- Ws
- Locality
- 🇺🇸 Esquire No. 7 claim
- Type locality
- —
- Discovery year
- —
Etymology
Named after Robert E. Walstrom
Source: Wikidata
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