Mineral - Pectolite
Pectolite
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Ca₂Na[Si₃O₈OH]
Unit Cell
Physical Properties
Hardness
4.5 - 5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
whiteyellowbluecolorless
Birefringence
Luster
Vitreous,
Silky
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
triclinic , monoclinic
Point Group
Space Group
Habit
fibrous, massive, prismatic
Formation
Magmatisch, hydrothermal
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Pectolite