ホーム > Term: epiasterism
epiasterism
Asterism seen by reflected light, as in star ruby or sapphire cut en cabochon to reveal asteria. The effect is created when light is reflected from suitably oriented inclusions within the stone.
- スピーチの一部 noun
- 産業/ドメイン 炭鉱
- カテゴリ 炭鉱全般; Mineral mining
- Government Agency: USBM
0
作成者
- ed.young
- 100% positive feedback
(Milwaukee, United States)