1. A pair of rock crystal goblets engraved with the cipher of Peter the Great.

2. Rock crystal was used for beads and was made into spheres mounted in metal cages, but the distributions are different.

3. Material: Rock crystal, white metal bookmark.

4. Rock crystal has often been used in jewelry, particularly carved pieces.

5. He used rock crystal , topaz, citrine and aquamarine and various materials for the base and embellishments.

6. The best rock crystal has the clarity and shimmer of water.

7. The transparent colorless variety of quartz is still known as rock crystal.

8. Depending on the collections we use rose quartz, tiger eye, rock crystal, amethyst or jade.