Natural cobalt calcite sphere – exceptionally rare color variation- 512.63 g

This rare cobalt calcite sphere impresses with its gentle yet vibrant rose to magenta tones, softly and irregularly distributed over a light, sometimes cream-colored matrix like wisps of clouds. The pink zones are produced by the natural cobalt content in the calcite, giving the stone its characteristic, nearly inimitable color effect. Fine gray to darker inclusions and slightly translucent areas add depth and a complex, natural appearance.

The polished spherical form harmonizes the color gradients and lets the light glide softly over the surface. Depending on the viewing angle, the rose accents appear delicate or more intense, granting the piece a tranquil yet expressive presence. Cobalt calcite is generally among the rarer calcite varieties, especially in ball form and with this uniform, aesthetically pleasing color distribution.

An exceptional collectible that stands out both mineralogically and optically, and, due to its rarity and natural coloring, occupies a special place in any high-quality mineral collection.

Stand not included in the delivery.

Weight 512.63 g
Gem Type 100% Natural Cobalt Calcite
Shape As Picture
Size 71.7 mm
Origin DR Congo
Treatment None at all
Hardness 3.5-4
Refractive Index 1.66-1.91
Specific Gravity 3.54-4.1

The lots were photographed under professional lights. Please note that the colours might differ depending on the monitor settings and light source.

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It is believed that certain gemstones and minerals have beneficial health and spiritual properties.
We and Catawiki cannot guarantee or be held liable for these suggested attributes which have no scientific
evidence and cannot be considered a substitute for traditional medical treatment.