Formula: Na2TiSiO5
Origin of name: from Greek para = similar and natisite
Crystal system: orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: yellow, orange-yellow, orange-brown
Diaphaneity: translucent
Luster: vitreous to adamantine
Habit: grains 0.5 to 1 mm and aggregates 3 to 5 mm
Hardness: 5
Specific gravity: 3.12
Cleavage: none
Tenacity:
Streak: white
Synonyms/varieties:
Comments: dimorphous with natisite
| Back to Alphabetical list | Colour photos | Thin sections | SEM images | TEM images | vibrational spectra description | IR spectra | Raman spectra | N-IR spectra | F-IR spectra | IES spectra |