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More like this: calcium deposits, chrysanthemums and stones.
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Steph Orris
Steph Orris • 1 year ago

Unusually perfect specimen of chrysanthemum rock. This close-up shows the 1 1/2 pound stone with a flower-like pattern that is is made of celestite and calcium deposits on black limestone.

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Chrysanthemum-Stone

"Chrysanthemum rock" -- celestite crystals in a limestone matrix.

Botryoidal minerals form when many nearby nuclei, specks of sand, dust, or other particles, are present. Layers of mineral material are deposited radially around the nuclei. As more material is deposited, the spheres grow larger and eventually overlap with those that are nearby. These nearby spheres are then fused together to form the botryoidal cluster.

Ametrine-rare and unusual stone which occurs in quartz when amethyst and citrine reside in the same crystal. VERY RARE only found in Bolivia.