Halloysite specimens for sale

1 for sale · $425 USD

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Formula: Al₂Si₂O₅(OH)₄
Rarity: Common
Stability: Stable
Collector interest: Moderate Interest
Classification notes: Phyllosilicate; kaolinite group (kaolinite subgroup).

Key characteristics

Crystal system: monoclinic
Mohs hardness: 3–4
Specific gravity: 2.6–2.7
Luster: dull
Transparency: opaque
Color: white
Streak: white
Cleavage: perfect
Fracture: earthy
Crystal habit: massive

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Quartz from Cabiche, Boyacá Department, Colombia image

Quartz from Cabiche, Boyacá Department, Colombia

Synapse Collection

$425

Where Halloysite is found

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Cabiche10 specimens

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