Photo: Antonio Angelo · CC BY 3.0

Arsenate-sulfate mineral

Properties

Chemical formula

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Group

Sulfates

Crystal system

Triclinic

Hardness (Mohs)

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Color

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Luster

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Streak

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Density

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Cleavage

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Fracture

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Tenacity

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Crystal habit

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Transparency

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Space group

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Fluorescence

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Magnetism

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Radioactivity

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Refractive index

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Optical character

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Birefringence

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Pleochroism

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Strunz classification

8.DB.40

Dana classification

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IMA status

Approved mineral and/or valid name (A)

IMA symbol

Buk

Locality

🇨🇿 Kaňk

Type locality

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Discovery year

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Source: Wikidata