Formula: ScPO4
Origin of name: For the mountain Pretulalpe, Austria, on which the mineral was first discovered
Crystal system: Tetragonal
Crystal class: 4/m 2/m 2/m
Twinning:
Unit cell: a = 6.589, c = 5.806
Colour: Pale pink
Diaphaneity: Transparent
Luster: Adamantine
Habit: Dipyramidal crystals, as anhedral grains, to 200 µm
Hardness: 5
Specific gravity: 3.71
Cleavage: 1; {100} perfect
Tenacity: Brittle, splintery fracture
Streak: White
Synonyms/varieties:
Comments: Weak orange fluorescence under SW-UV light, bright blue cathodeluminescence
| Back to Alphabetical list | Colour photos | Optical properties/Thin sections | SEM images | TEM images | vibrational spectra description | IR spectra | Raman spectra | N-IR spectra | F-IR spectra | IES spectra |