Formula: (Cu,Zn)3(PO4)(OH)3.2H2O
Origin of name: for A. Veszelyi (1820-1888), Hungarian mining engineer who discovered the mineral.
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell: a = 9.81 Å, b = 10.19 Å, c = 7.49 Å, b = 103.3°
Colour: Greenish blue, green, dark blue
Diaphaneity: Translucent
Luster: Vitreous
Habit: Crystals short prismatic, thick tabular, octahedral or equant, granular aggregates, massive
Hardness: 3.5 to 4
Specific gravity: 3.4
Cleavage: 2; {001} and {110} good
Tenacity:
Streak: Blue
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 |