sponge coral polished cabochon mounted in a sterling silver setting as a ladies pendantSponge Coral Pendant | Stone Mania
sponge coral polished cabochon mounted in a sterling silver setting as a ladies pendant
sponge coral polished cabochon mounted in a sterling silver setting as a ladies pendant
sponge coral polished cabochon mounted in a sterling silver setting as a ladies pendant

Sponge Coral Pendant

Price: £46.99
Product Code: UOTG

 

 

 

Sponge Coral Pendant Distinctively Orange

 

Sponge coral pendant an unmistakable rich orange coloured gemstone rarely used in items of jewellery.  This eye-catching necklace pendant has been crafted entirely by hand in a fine  sterling silver setting

Correctly known as melithaea ochracea, sponge coral is a coral not a sponge but unlike many other species of coral it's not endangered so can be traded freely and legally.  Found primarily in the South China Sea it's light weight but also quite soft hence must be handled with care.  On Mohs scale of mineral hardness sponge coral grades 3½ - 4

A brightly coloured crystal with subtle markings, sponge coral is usually stabilised because its natural tree-like structure has tiny holes created by polyps.  The process of stabilising rocks and minerals involves filling the holes with a resin or other substance to prevent erosion or crumbling.  The process is widely used on many natural materials to enable them to be used for other purposes. 

Weight (grams) : 22.1
Size (cms) : 4.9 x 3 x 0.7

 

 

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