Search Results for: Silver jewellery
produced within a living shelled mollusc for other uses, see pearl (disambiguation) . pearl various pearls general category carbonate mineral , protein formula (repeating unit) calcium carbonate , caco conchiolin strunz classification .ab crystal system orthorhombic [ ] identification color white, pink, silver
the elusive, rare, and larger south sea pearl oyster pinctada maxima, which cannot be found in lagoons, but which must be dived for in a rare number of deep ocean habitats or grown in hatcheries. black pearls are very rarely black: they are usually shades of green, purple, aubergine, blue, grey, silver...
https://en.wikipedia.org/wiki/Pearl