Ornamental stones

The azurite stone, which gets its name from the French word azur, meaning “azur,” bears its name for a reason.

Physical and chemical properties Mother of pearl is calcium carbonate. It consists of many plates

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

Quartz rock serves as the basis for most of the minerals found in the depths of our planet. Lion's

Many fashionistas have coral-colored items in their wardrobe. It is ideal for

Category Phosphates (minerals) Name in English. Turquoise Formula CuAl6(PO4)4(OH)8 4H2O Group Turquoise group Color Blue,

Properties of shungite stone The shungite mineral is a rock - metamorphosed coal, embodying

Varieties of cabochon shapes Stone cutters use several methods of finishing crystals, resulting in cabochons of the following types:

Where does green amber come from? In order for green amber to appear, special conditions were required: warm, moist

Chrysocolla stone, which has many synonymous names (it is called copper malachite, gold glue, green spar and