Faraantiga lafdhabarta casaanka ah ee Tiffany&Co. oo laga sameeyay platinum
Spinel-ka casaanka ah badanaa waxaa lagu qaldaa khasnad buluug casaan ah, farqiga ugu weyn ee u dhexeeya labadoodu waa midabyo badan. Sapphires-ka casaanka ah (corundum) waa dichroic, iyadoo spectroscope-ka laga helayo meelo kala duwan oo dhagaxu ka mid yahay uu muujin doono midabyo kala duwan oo casaan ah, spinel-kuna ma beddelo, iyadoon loo eegin jihada uu midabku ka soo jeedo.
guduudan
Safayf guduudan ayaa had iyo jeer muujin kara casaan guduudan oo qani ah, qarsoodi ah, sharaf leh oo soo jiidasho leh, laakiin sidoo kale waxyaabaha la jecel yahay ee haweenka. Waxaa inta badan laga soo saaraa Sri Lanka, laakiin si ka yar Thailand iyo Myanmar. Nooc vanadium ah - iyo noocyo chromium ah oo safayf ah oo leh midab guduudan oo qurux badan, casaan-guduud, ama buluug ah, oo loo yaqaan safayf guduudan.
Waqtiga boostada: Noofambar-15-2023