1. Gurdon sits above large amounts of quartz crystals and a fault line. 2. They just think happy thoughts at their quartz crystals until they glow. 3. Rockhounds frequent a belt several miles wide containing concentrations of quartz crystals . 4. Synthetic quartz crystals used in the electronic industry are grown in autoclaves. 5. The Ouachitas are noted for quartz crystal deposits around the whetstones. 6. The identification with quartz crystal presumably results from its prism-like appearance. 7. They consist of pumice, quartz crystals and feldspar in a feldspar rich matrix. 8. Most such instruments use a quartz crystal microbalance as the sensor. 9. The quarry once contained single quartz crystals in the decimeter and meter range. 10. The basic element for time generation is a quartz crystal oscillator.
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