Sonolite 2.02 ct.
Sonolite 2.02 ct.
Sonolite
Is manganese fluoro silicate with formula Mn9(SiO4)4(OH,F)2 and hardness of 5.5.
It comes from Llyn du Bach Mine, Moel Ysgyfarnogod, Harlech, Gwynedd, Wales / UK; waxy dark orange-brown vein-like banded aggregates in Tephroite-Rhodochrosite-Spessartine-matrix.
Size: 10.2x7.3x2.6 mm.
Weight: 2.02 ct.
CODE#9396