Hematite, Magnesite
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The ArkenstoneFeatured
Hematite and magnesite, 4.6 cm, from the Pedra Preta mine, Brumado. Arkenstone specimen; ex-Jack Halpern collection; Laszlo Kupi photo.
Product details
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| — | Jack Halpern | Not disclosed |
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Mineral guide
Learn about Hematite
iron oxide with steel-gray to jet-black crystals and red earthy varieties; prized iron-rose rosettes and kidney ore, with a diagnostic red streak.Regional guide
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