Gem giredhi periodt inonyanya kukamurwa kuita gobvu yero-girinhi nguva, yegoridhe girinhi nguva, yero-girinhi nguva, gobvu girinhi periodt (inozivikanwawo semadekwana emerald kana kumadokero emerald, manheru primrose emerald) uye denga gem.
Pink Sapphire dzvuku sapphire: pakutanga, nharaunda yepasirese gem yaitenda kuti chete corundum ine kudzika kwepakati kusvika kune yakasviba tsvuku kana purplish tsvuku inogona kunzi ruby.Idzo dzinoshandura mwenje dzvuku kuchiedza zvikuru dzinodaidzwa kuti pink sapphire.
Musiyano uripo pakati peGarnet uye yakafanana gem uye synthetic garnet.Matombo anokosha akafanana nemuvara kune akasiyana-siyana magarnet, anosanganisira rubhi, safiro, artificial corundum, topazi, emerald, Jadeite, nezvimwewo, zvakasiyana uye zvinogona kusiyaniswa nepolarization.
Red garnet ndiyo aluminium garnet yakatevedzana yemagnesium aluminium garnet, ndeyemhando dzakajairwa dzegarnet.Mucheka mutsvuku wegarnet mutsvuku unogona kuita kuti vanhu vave nekunakidza kusingadzivisiki, kukwezva mufaro uye rudo rusingagumi, kuwedzera kuzvivimba, ibwe revakadzi.
Tourmaline ine yakaoma kuumbwa uye ruvara.Indasitiri yezvishongo zvepasi rose yakakamurwa kuva mhando dzekutengesa zvichienderana neruvara rwetourmaline, uye kana ruvara rwakawanda, ruchiwedzera kukosha.
Spinel iminerari inoumbwa ne magnesium uye aluminium oxide, nekuti ine magnesium, iron, zingi, manganese nezvimwe zvinhu, zvinogona kukamurwa kuita marudzi mazhinji, akadai sealuminium spinel, iron spinel, zinc spinel, manganese spinel, chrome spinel uye zvichingodaro.
Ruby [1] , zvinoreva corundum yemuvara mutsvuku, imhando ye corundum uye inosanganisira kunyanya aluminium oxide (AL 2O 3) .Ruvara rutsvuku runobva kuchromium (CR) , kunyanya Cr2O3, zviri mukati zvinowanzo 0.1 ~ 3% , yepamusoro-soro i4%.Iine Fe, Ti uye yebhuruu yakati Sapphire, isiri-chromium CR ruvara rwemamwe mavara e corundum zvakare akaungana anozivikanwa seSapphire.
Gem yakasungwa marudzi ese e gem giredhi corundum kupfuura ruby inonzi sapphire.Sapphire mineral zita recorundum, corundum boka zvicherwa.
Tan crystal inodaidzwa zvakare kunzi tii crystal, uye chiutsi quartz (brown quartz) inonziwo crystal yehutsi uye inki crystal Radioactive Mazhinji emakristasi etii makoramu ane hexagonal.Kufanana nemamwe makristasi akajeka, pane dzimwe nguva zvinorehwa senge ice crack, gore uye mhute.
Topazi yakachena yakajeka asi kazhinji isina kujeka nekuda kwekusachena mairi.Topazi inowanzoita waini-ruvara kana yakacheneruka yero.Asi inogona kuva chena, grey, bhuruu, girini.Topazi isina ruvara, kana yakachekwa zvakanaka, inogona kukanganisa sedhaimani.
TSAVORITE (TSAVORITE) zita remakemikari ndeye chrome vanadium calcium aluminium garnet, nekuti ine trace yehuwandu hwechromium uye vanadium, yakatetepa Emerald Green, inofadza ziso.Shafe National Park yekuKenya yakawanikwa nenyanzvi yezvematombo Campbell Brydges mukupera kwema1960.
China ndeimwe yevagadziri vakuru ve turquoise.Turquoise inogadzirwa muZhushan County, Yunxi County, Anhui Ma'anshan, Shaanxi Baihe, Xichuan, Henan, Hami, Xinjiang, Wulan, Qinghai nedzimwe nzvimbo.