Formula: (Bi,Ca)Al3(PO4,SiO4)2(OH)6
Origin of name: for Edward James Wayland, director of the Uganda Geological Survey.
Crystal system: Trigonal
Crystal class: 3 2/m
Twinning:
Unit cell: a = 6.9834, c = 16.175
Colour: White, light brown
Diaphaneity: Transparent to translucent
Luster: Vitreous to dull
Habit: massive, fine-grained or compact
Hardness: 4 to 5
Specific gravity: 3.86
Cleavage: none
Tenacity: Uneven
Streak: White
Synonyms/varieties:
Comments:
| 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 |