Amethyst tsarin lu'ulu'u ne na uku, crystal ɗin columnar hexagonal ne, saman silinda mai juyawa ne, akwai siffar hagu da siffar dama, tagwaye-crystal na gama gari.Taurin shine 7. Crystal sau da yawa yana ƙunshe da abubuwan da ba su dace ba ko mai fuka-fuki.
Ana kimanta ingancin aquamarine daga launi, tsabta, yanke da nauyi.Launi mai tsabta, babu launin toka, babu dichroism, launi mai kauri da haske na darajar mafi girma.Wasu aquamarine tare da haɗin kai tsaye za a iya sarrafa su zuwa tasirin ido na cat ko tasirin hasken tauraro, kuma aquamarine tare da tasirin gani na musamman ya fi tsada.Aquamarine tare da launi iri ɗaya, tsabta da yanke ya fi daraja idan ya fi nauyi.
Sapphire mai canza launi a cikin Corundum gaskiya ne, zai bayyana launuka daban-daban a cikin haske daban-daban, wanda kuma aka sani da canza launi corundum ko launi, ana sa ran canjin launi zai haifar da chrome element a corundum.
Black SPINEL, daga gare ta ya fito, abin da aka fitar a bayyane yake, ɗaruruwan miliyoyin nawa, yawancin waɗannan ba za a yi su da hannu inlaid kayayyakin da aka gama ba, gabaɗaya ta amfani da fasahar inlaid na kakin zuma don magance inlaid, black spinel electroplating kayan bukatun su ne. mafi girma, a gaba ɗaya, tsufa na wasu kayan aiki ko rashin dacewa da zafin jiki na ƙwararrun ma'aikata zai haifar da launin launin fata na baki wanda ya haifar da electroplating.
Citrine ya bambanta da launi daga rawaya zuwa launin ruwan kasa mai haske kuma yana da sauƙin rikicewa tare da citrine.Launi mai launin rawaya a cikin citrine shine saboda kasancewar baƙin ƙarfe oxide a cikin ruwa.Citrine na halitta ba shi da yawa kuma ana samarwa a wurare kaɗan, tare da Brazil da Madagascar ne kawai ke samar da Citrine mai inganci a cikin ƙima.
Red Spinel yana da jan alatu mai kama da ruby, kuma yana da daraja sosai.Tana sanye da rigunan Paparoma na Vatican, da Tsar na Rasha, dan Iran, da kuma kambin Sarkin Daular Burtaniya.
Cordierite wani ma'adinai ne na silicate, yawanci shuɗi mai haske ko shuɗi mai haske, gilashin gilashi, mai haske zuwa translucent.Har ila yau, Cordierite yana da halayyar kasancewar polychromatic (tricolor), yana fitar da haske na launuka daban-daban a wurare daban-daban.Cordierite yawanci ana yanke shi cikin sifofin gargajiya, kuma mafi mashahuri launi shine shuɗi-m.
Launi na yau da kullun na diopside shine shuɗi-kore zuwa rawaya-kore, launin ruwan kasa, rawaya, shunayya, mara launi zuwa fari.Luster ga gilashin luster.Idan chromium ne ba a diopside, da ma'adinai yana da wani koren tinge, don haka diopside duwatsu masu daraja sau da yawa rikita batun tare da sauran duwatsu masu daraja irin su yellow-kore olivine, (kore) tourmaline, da kuma chrysoberite, wanda ba shakka dogara ga sauran jiki bambance-bambance tsakanin ma'adanai zuwa. bambanta su.
Agate wani nau'i ne na ma'adinai na chalcedony, sau da yawa haɗe tare da opal da cryptocrystalline quartz banded block, taurin 6.5-7 digiri, takamaiman nauyi 2.65, launi yana da matsayi sosai.Samun haske ko rashin fahimta.
Siffofin rarrabe na halitta da na roba
Koren sapphires sun yanke protolith shuɗi mai duhu don nuna launin kore ko shuɗi-kore a gaba, sannan ana iya samar da sapphires kore na halitta.
Moonstone shine ma'adinan dutse mai daraja na orthoclase da Albite.Ana samar da Moonstone ne a Sri Lanka, Myanmar, Indiya, Brazil, Mexico da Alps na Turai, wanda Sri Lanka ta samar da mafi daraja.
Lemu, ɗigon ba shi da launi, bayyananne, haske mai haske, taurin 9, takamaiman nauyi 4.016, {0001}, {10 ˉ 10} Tsagewa.[1]