Cassiterite (“drill bit” twins) Boracite measuring a full 3

measuring a full 3

The piece displays well on its own from a few angles

Specimen # BOL711B36

Specimen # AMAZWH111923

"sword"-shaped crystal of Vivianite

Cassiterite (“drill bit” twins) Boracite measuring a full 3Huanuni is actually the RICHEST Cassiterite deposit in the world, and although its best known for its phosphate species, occasionally some fine quality Cassiterite specimens are found. This attractive, classic, sharp, lustrous, jet black group of drill bit twinned crystals is certainly fine quality for the species and the locality. Good quality all the way around, and if youre a collector of Cassiterites or Bolivian minerals, this would make a great