Semi-precious

History of the stone Black agate stone was already known in antiquity. In ancient India it

Garnet is a gem known since ancient times. Many ancient peoples found placers of some species

Property Description Formula Cu2CO3(OH)2 Iron impurity Hardness 3.5-4 Density 3.75 - 3.95 g/cm³ Indicator

We are glad to welcome you, friends! The semi-precious mineral agate is one of the dozen sacred stones of the Bible.

Ophiocalcite stone is a beautiful ornamental material, very popular in ancient times. In Ancient Rome from

The gem is distinguished by a rich palette of shades - more than 300 in total. The predominant colors range from sunny yellow

Share: Crimson Agates are collectible items in Genshin Impact that can only be found

Unique colors in jewelry are purple quartz or amethyst. It is difficult to confuse him with

Jewelry made in Turkey is popular all over the world. Travel agencies specially organize

Category Silicate minerals Name in English. Apophyllitis Formula (K,Na)Ca4Si8O20(F,OH)*8H20 Group Apophyllitis Group Color Colorless,