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Howlite, colour white hollow

Quick overview:
Howlite, colour white hollow. Howlite is a calcium borosilicate hydroxide. It is usually white, often with veins of other minerals running through the nodules. When dyed, it resembles tyrquoise, although it is easily distinguished from tyrquoise by its inferior hardness. Deposits can be found in USA, Canada, Mexico, Germany, Russia, Turkey.
Info: Howlite is named in 1868 for Canadian chemist Henry How, who discovered it.
Size SKU Availability Price Qty Unit Type
Size:
16 mm.
SKU:
64-12992
Availability:
Available
Price:
Price: €15.80
Qty:
Unit Type:
string ~40cm
Size:
20 mm.
SKU:
64-12993
Availability:
Available
Price:
Price: €16.80
Qty:
Unit Type:
string ~40cm