Marianoite
Na₂Ca₄(Nb,Zr)₂(Si₂O₇)₂(O,F)₄
Sorosilicate mineral, discredited
Properties
- Chemical formula
- Na₂Ca₄(Nb,Zr)₂(Si₂O₇)₂(O,F)₄
- Group
- Silicates
- Crystal system
- —
- Hardness (Mohs)
- —
- Color
- —
- Luster
- —
- Streak
- —
- Density
- —
- Cleavage
- —
- Fracture
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- Tenacity
- —
- Crystal habit
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- Transparency
- —
- Space group
- —
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
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- Pleochroism
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- Strunz classification
- 9.BE.17
- Dana classification
- —
- IMA status
- Discredited mineral (D)
- IMA symbol
- Mri
- Locality
- —
- Type locality
- —
- Discovery year
- —
Etymology
Named after Anthony N. Mariano
Source: Wikidata
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