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Black Tourmaline Small Rough Tumbles
Black Tourmaline Small Rough Tumbles
  • Carica l'immagine nel visualizzatore di Gallery, Black Tourmaline Small Rough Tumbles
  • Carica l'immagine nel visualizzatore di Gallery, Black Tourmaline Small Rough Tumbles

Black Tourmaline Small Rough Tumbles

Prezzo regolare
$0.30
Prezzo di vendita
$0.30
Prezzo regolare
Venduto
Prezzo unitario
per 
Spedizione calcolata al momento del pagamento.

You will receive ONE random tumbled stone.

Sizes will Vary.

* Some tumbles will have quartz, feldspar, or other tourmaline in them.

Tourmaline is a complex aluminum borosilicate with a hardness of 7 to 7.5. Its crystal pattern is hexagonal (trigonal) with prismatic crystals and striations running parallel to the main axis. No other gemstone has such wide variations in colors. Tourmalines can be red, pink, yellow, brown, black, and various shades of green, blue lilac and violet. Often the colors vary, sometimes widely, within a single specimen. Crystals with a pink center, surrounded by an outer layer of green, are called Watermelon Tourmaline.