Silicate mineral

Properties

Chemical formula

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Group

Silicates

Crystal system

Monoclinic

Hardness (Mohs)

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Color

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Luster

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Streak

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Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

I2/m

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

—

Dana classification

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IMA status

Approved mineral and/or valid name (A)

IMA symbol

Vrá

Locality

🇲🇬 Sahatany valley

Type locality

—

Discovery year

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Source: Wikidata