These specimens are Quartz. Quartz is a mineral composed of silica. The specimens measure 9.7 cm x 7.6 cm x 4.7 cm and 10.4 cm x 8 cm x 5.5 cm.
- Catalog Number:
- 80093
- Object/Specimen Description:
- Specimen Count:
- 2
Silica Group: Quartz (variety Rock Crystal)
Mineral Sciences