Babban abubuwan da ke cikin gilashin launi sune yashi ma'adini mai tsabta da potassium feldspar, albite, gubar oxide (ainihin bangaren gilashi), saltpeter (potassium nitrate: KNO3; sanyaya), alkali karafa, alkaline ƙasa karafa (magnesium chloride: MgCl, taimakon narkewa). , ƙara karko), aluminum oxide (ƙara haske da sinadarai karko) Chromogenic jamiái na launi daban-daban (kamar rawaya kore na baƙin ƙarfe oxide, blue kore na jan karfe oxide, da dai sauransu) da kuma bayyana jamiái (fararen arsenic, antimony trioxide, nitrate, sulfate). , fluoride, chloride, cerium oxide, ammonium gishiri, da dai sauransu).An narkar da gilashin Crystal a babban zafin jiki na 1450 ° C, kuma ana samar da zane-zane na gilashi a ƙananan zafin jiki na 850 ° C ~ 900 ° C ta hanyar kyakkyawan tsari na lalatawa da haɗar launi.A cikin Ingilishi, gilashin da ke ɗauke da mahadi na gubar ana kiransa gabaɗaya crystal ko gilashin kristal saboda watsawa da tsaftar sa, waɗanda suke kama da lu'ulu'u na halitta.A kasar Sin, ana kiranta gilashi.A matsayin nau'in gilashin kristal mai launin launi, yawan abubuwan da aka haɗa da gubar da aka ƙara zuwa gilashin masu launi (yana sa samfuran gilashin suna da babban ma'anar refractive kuma suna da haske da haske. A halin yanzu, yawancin samfuran da aka yi amfani da su don jefawa sun ƙunshi fiye da 24%).Ma'anar sun bambanta daga ƙasa zuwa ƙasa, kamar 10% a cikin Tarayyar Turai da 24% ~ 40% a Jamhuriyar Czech.Gabaɗaya magana, lokacin da adadin gubar oxide ya kai sama da 24%, gilashin yana da kyakyawar watsawa da maƙasudin refractive, kuma yana da nauyi da laushi.
Rikicin sunayen gilashin kala-kala da abubuwan da ke da alaka da shi a tarihi ya haifar da rashin fahimta da rashin fahimtar gilashin launi."Glazed tile" da na zamani "Boshan yi gilashin launi" su ne mafi yawan misalai.
Lokacin aikawa: Satumba-13-2022