Nontronite with Calcite, Hollandite
Unknown Owner
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Neat example for the species with yellow green crystalline nontronite throughout open pockets to 4.0 cm in size throughout this matrix. Minor calcite and hollandite present as well.
Product details
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 02/2025 | Unknown Owner | $65.00 |
| — | Weinrich Minerals | Not disclosed |
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Mineral guide
Learn about Calcite
diverse shapes, colors, and optical quirks; widely available yet scarce elite pieces from Elmwood and Charcas drive collecting value and display.Regional guide
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