Natrual Yellow Sapphire Loose Gems Baguette 2.5x5mm

Tsatanetsatane wa Zamalonda:

Yellow safiro imadziwikanso kuti topazi pamabizinesi.Mitundu yosiyanasiyana ya yellow gem grade corundum.Mtundu umachokera ku chikasu chowala mpaka ku canary yellow, chikasu chagolide, uchi wachikasu ndi bulauni wonyezimira wachikasu, ndipo chikasu chagolide chimakhala chabwino kwambiri.Yellow nthawi zambiri imakhudzana ndi kukhalapo kwa iron oxide.Kuwonjezera pa topazi, chikasu cha canary cha safiro sichidziwika mu miyala ina yamtengo wapatali.Sapphire wamkulu kwambiri padziko lonse lapansi wachikasu amapangidwa ku Sri Lanka.Imalemera 46.5 carats.Ndi golide wachikasu ndi oval odulidwa.Mkati mwa miyala yamtengo wapatali ndi yoyera ndipo imakhala ndi mphamvu yotsutsa moto.

ndemanga:

Ziyenera kunenedwa kuti pali zinthu zopangidwa pamsika, ndipo zimakhala zovuta kuzisiyanitsa ndi zinthu zachilengedwe.Kuphatikiza apo, corundum ina imatha kusinthidwa kukhala yachikasu kapena kuzama ndi ma radiation a X-ray a tinthu tating'onoting'ono.Zina mwachilengedwe kapena zotulutsa zachikasu zimatha kuzimiririka bola zitenthedwa mpaka 250 ~ 300 ℃.Amapangidwa ku Sri Lanka, Australia, Myanmar, Tanzania ndi Shandong ndi Jiangxi ku China.