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Large Congo Chrysocolla Sphere - 92mm, 1195g

Large Congo Chrysocolla Sphere - 92mm, 1195g

Regular price £169.00 Sale

Locality - Kalukuluku, Congo
Size – 92mm
Weight – 1195g

This chrysocolla sphere boasts exquisite, intricately mottled and swirling patterns in earthy colours ranging from bright powder blue to deep forest green and swampy brown. It is a hefty ball weighing in over one kilogram and measuring just over 90mm in diameter. It has a quirky, slightly uneven surface due to the variation in hardness throughout the stone and has had a few holes filled, overall however it has been expertly crafted and polished to a high luster. This material is rarely seen in sphere form making this piece a true collectors item. This sphere will be sent accompanied with a wooden sphere stand as photographed, ready to go on display.


About Chrysocolla

Chrysocolla is a hydrous copper silicate – a member of a small group of copper-bearing gems that includes malachite, azurite, larimar, sunstone, tourmaline and turquoise - typically found as glassy botryoidal or rounded masses or bubbly crusts, jackstraw mats of tiny acicular crystals or tufts of fibrous crystals. The name was first used by Theophrastus in 315 B.C. and comes from the Greek chrysos, meaning "gold," and kolla, meaning "glue," referring to its use as a flux in soldering gold. Pure chrysocolla is opaque and is found in various shades of blue and green. It is often found with traces of copper, iron and manganese oxide, or mixed with other secondary copper minerals such as malachite, azurite, turquoise, opal or quartz. On its own, chrysocolla is very soft and fragile (with a hardness of only 2), but when mixed with these other minerals becomes harder (at 6.5 – 7), more durable and also shows unique patterns in a wide range of colours. Deposits are found in Chile, Israel, Mexico, Peru, Russia, Nevada and D.R. Congo.