Description
Lavenite 2.98 ct Fancy Cut 9.70 x 8.50 x 6.00 mm y99784
Lavenite (Låvenite)
is a complex silicate with formula (Na,Ca)2(Mn,Fe2+)(Zr,Ti,Nb)Si2O7(O,OH,F) and hardness of 6.
This rare mineral comes from Suoluaiv Mt Lovozero Murmanskaya Oblast Russia. Brownish with black aegirine.