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Minerals - Minehillite | TerraCollect
Mineral - Minehillite
Minehillite
(K,Na)²⁻₃Ca₂₈Zn₄Al₄Si₄₀O₁₁₂(OH)₁₆
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
(K,Na)²⁻₃Ca₂₈Zn₄Al₄Si₄₀O₁₁₂(OH)₁₆
Unit Cell
Physical Properties
Hardness
4
Streak
white
Density
Normal (2-3,5)
Optical Properties
Color
white
colorless
Birefringence
Luster
Pearly
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
hexagonal
Point Group
Cleavage
Fracture
Tenacity
Space Group
Habit
coarse,
massive,
tabular
Formation
Metamorphose, hydrothermal
Paragenesis
Twinning
Rarity
Rare
Synonyms
Minehillite
