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