the.com/sphene
the gem that out-sparkles diamond but hides because nobody can pronounce it
means Sphene is a yellow-green to brown titanium-bearing mineral (calcium titanium silicate, also called titanite) prized as a rare gemstone for its extraordinary fire, which exceeds that of diamond.
from From the Greek 'sphēn,' meaning 'wedge' — a nod to the mineral's characteristic wedge-shaped crystals. The name was coined in the late 18th century by mineralogists eyeing those distinctive angular forms. Its alternative name, 'titanite,' simply points to the titanium locked inside; mineralogists have long quarreled over which name to prefer, but 'sphene' keeps its wedge.
- fire factor
- Disperses light more than diamond
- real name
- Geologists call it titanite, titanium ore
- too soft
- Mohs 5 means rings scratch easily
- color shift
- Flashes green, yellow, brown as it turns
- rare cut
- Faceted specimens are jeweler collector unicorns
sphene from mbeya tanzania — intense yellow-green transparent crystals mined in the mbeya region, prized by collectors for their high dispersion and luster