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Ambra

Amber

Amber, while having no mineral properties or origin, is considered a gem or precious stone by jewelry specialists. The formation of this stone is due to the fossilization of an...

Amber

Amber, while having no mineral properties or origin, is considered a gem or precious stone by jewelry specialists. The formation of this stone is due to the fossilization of an...

Pietra Opale

Opal stone

Opal is a member of the mineral family. Composed of hydrated silica with inclusions of various elements, its water content varies from 3 to 20% depending on the variety and...

Opal stone

Opal is a member of the mineral family. Composed of hydrated silica with inclusions of various elements, its water content varies from 3 to 20% depending on the variety and...

Madreperla

Mother of pearl

Mother of pearl is a mineral biosynthesized by some varieties of molluscs to coat the inside of their shells. Mother of pearl is essentially composed of microcrystals of aragonite, which...

Mother of pearl

Mother of pearl is a mineral biosynthesized by some varieties of molluscs to coat the inside of their shells. Mother of pearl is essentially composed of microcrystals of aragonite, which...

Cristallo di Rocca

Rock crystal

Rock crystal also called hyaline quartz is one of the most common minerals on the planet. It is used in the composition of many other rocks, such as granite. From...

Rock crystal

Rock crystal also called hyaline quartz is one of the most common minerals on the planet. It is used in the composition of many other rocks, such as granite. From...

Avventurina

Aventurine

Aventurine is a variety of quartz with different colors ranging from green to red-brown, blue, yellow and orange. Aventurine belongs to the rhombohedral crystal system with a hardness of 6.5...

Aventurine

Aventurine is a variety of quartz with different colors ranging from green to red-brown, blue, yellow and orange. Aventurine belongs to the rhombohedral crystal system with a hardness of 6.5...

Agata

Agate

Agate is a precious stone belonging to the quartz family. Having the chemical formula SiO2, agate belongs to the same group of stones as jasper, heliotrope or onyx. It is...

Agate

Agate is a precious stone belonging to the quartz family. Having the chemical formula SiO2, agate belongs to the same group of stones as jasper, heliotrope or onyx. It is...