Formula: KAl2(PO4)2(OH, F) . 4H2O
Origin of name: After locality; Minyulo Well, Western Australia
Crystal system: Orthorhombic
Crystal class: mm2
Twinning:
Unit cell: a = 9.34 Å, b = 9.75 Å, c = 5.52 Å
Colour: Colourless, white, light green to green
Diaphaneity: Transparent
Luster: Silky
Habit: Acicular radiating aggregates
Hardness: 3.5
Specific gravity: 2.46
Cleavage: 1; {001} perfect
Tenacity:
Streak:
Synonyms/varieties:
Comments:
| 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 |