Tourmaline T123 - rare red elbaite-tourmaline; mineral formula from chemical analysis by LA-ICPMS:
(Na0.8Ca0.1[ ]0.1)(Li1.1Al1.5Mn0.8)Al6(BO3)3Si4.7Al1.3O18
Weight:
Colour:
Dimensions:
Origin:
3.37 ct.
dark red (body colour: orange-brown)
10.32 x 10.36 x 5.93 mm
Hofmeyr mine, Nyimba area, Zambia (2014)
Clarity:
Cut:
Treatments:
SI; small black inclusions near the tip
'precision'
none
