Cassiterite (“drillbit” twins) blue-green surprisingly lustrous

surprisingly lustrous

this piece is one of the better samples of this particular material that I have handled

It’s a great full-sized miniature to boot

modified scalenohedra of Calcite sitting on underlain "chlorite" on matrix

and are certainly the best of what they are from Bolivia

Cassiterite (“drillbit” twins) blue-green surprisingly lustrousHuanuni is 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 addition