Mineral - Spencerite
Spencerite
Chemical Properties
Mineral Class
Phosphates
Toxicity
none
Formula
Zn₄(PO₄)₂(OH)₂ · 3H₂O
Unit Cell
Physical Properties
Hardness
3
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
whitecolorless
Birefringence
Luster
Vitreous,
Pearly
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
tufty, acicular, prismatic
Formation
Sekundär
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Spencerite