3.84ct Round Violet Spinel 9.2mm Ø75 x 100mm Casting Flask Cast iron body with 3

Cast iron body with 3 clamping screw holes (screws not supplied)

*Maximum Detection Depth:

2 x Parallel Domed End

- Moves into auto sleep mode in off working state

3.84ct Round Violet Spinel 9.2mm Ø75 x 100mm Casting Flask Cast iron body with 3Spinel used to be offered as a ruby alternative but nowadays it is praised for its own special characteristics. Spinel can be red, pink, orange, purple, violet or blue. Red and pink are caused by traces of chromium, orange and purple by chromium and iron and dark blues by traces of iron and cobalt. Transparency: transparent to opaque Mohs scale: 8 Sources: Sri Lanka, Afghanistan, Myanmar, Tanzania and Madagascar.; Stone Size: 9. 20 9. 24; Carat Weight