Bundan tashqari 20 kinds of gem minerals with cat's eye effect have been discovered in the world, Va ularning go'zalligi va qiymati oltin-yashil opaldan ancha kam, Ba'zi odamlar oltin-yashil opalni chaqirishadi "Haqiqiy opal" and refer to the other All kinds of gems with cat's eye effect are called "Soxta Ofitlar". Ammo, [...]
