Rock Crystal Druses.
Set of 13 units
Size: between 7 and 12 cm approx.
Weight of the set: 5 kg approx.
Rock crystal druses are rock cavities lined internally with multiple quartz crystals that grow towards the centre. They form when silica-rich solutions seep into rock cavities and the minerals slowly crystallise. They are prized for their brilliance and are used in decoration and collecting.

