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Minerals - Tincalconite | TerraCollect
Mineral - Tincalconite
Tincalconite
Na₂(B₄O₇) · 5H₂O
Chemical Properties
Mineral Class
Borates
Toxicity
none
Formula
Na₂(B₄O₇) · 5H₂O
Unit Cell
Physical Properties
Hardness
2
Streak
white
Density
Light (<2)
Optical Properties
Color
white
colorless
Birefringence
Luster
Vitreous,
Earthy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
trigonal
Point Group
Cleavage
Fracture
Tenacity
Space Group
Habit
dipyramidal,
Tetrahedron
Formation
Evaporit, Sedimentär
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Tincalconite
