There are many gemstones that can produce starlight effect in nature. V současné době, existují 10 kinds of gems known as: safír, rubín, almandin, beryl, akvamarín, spinel, diopsid, cordierit, columnar and enstatite pyroxene. Mezi nimi, the starlight effect of sapphire is the most common and the particles are large and eye-catching. Take sapphire, which has […]
