Cluster featuring pearl white Tarbuttite xls, quite well defined up to 2 mm.
Tarbuttite is a rare zinc phosphate, and this specimen is from the type Locality.
Formula :
Zn2[OH/PO4]
System: triclinic Hardness:4 Rarity:rare
Strunz id:7B.6-50 -
7 - PHOSPHATES, ARSENATES, VANADATES
Name origin: Named after Percy Coventry Tarbutt, a Director of the Broken Hill Exploration Company who collected some of the first specimens at Broken Hill (now Kabwe), Zambia.
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 Specimen weight:24 gr.
 Crystal size:2 mm
 Overall size: 40mm x 30 mm x 28 mm
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