Goethite replacing Siderite on Quartz with Fluorite
Unknown Owner
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Crystals of rhombohedral siderite measuring to almost 1.0 cm in size are in the process of being replaced by goethite. These are scattered across the top of a crystallized quartz matrix. Colorless gemmy crystals of fluorite are present as well. In good condition and collected in 2003.
Product details
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 10/2025 | Unknown Owner | $95.00 |
| — | Weinrich Minerals | Not disclosed |
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Mineral guide
Learn about Quartz
a versatile mineral with clear, milky, and colored varieties; crystal forms, formation clues, and tips for identifying amethyst and citrine.Regional guide
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