Bob Loeffler photo
Bob Loeffler photo
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| A cluster of quartz crystals. Specimen is fist-sized. Bob Loeffler photo |
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| Amethyst crystal from Red Feather Lakes. Bob Loeffler photo |
The same crystal showing more purple color. Bob Loeffler photo |
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| A cluster of quartz crystals. Specimen is fist-sized. Bob Loeffler photo |
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