Azurite With Chalcoalumite
Unknown Owner
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The truly neat thing about this specimen is that it can be viewed on either side, equally as well. On one side, a botryoidal crust of rich, blue, azurite is coated with a botryoidal crust of light green, chalcoalumite, a fairly rare, hydrous, copper, aluminum, sulfate. Here the chacoalumite spheres reach .8 cm across. On the back side is a vug with a crust of brown limonite upon which is emplaced a druse of sparkling, deep blue, spheres of azurite. Unusual, and very fine!
Product details
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 08/2024 | Unknown Owner | Not disclosed |
| — | The Arkenstone | Not disclosed |
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Mineral guide
Learn about Azurite
deep blue copper carbonate with prismatic and botryoidal forms; alters to malachite; Mohs 3.5–4; identify color, habit, and notable localities.Regional guide
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