Brewsterite on Calcite #2 Rare Crystals_UV Reactive This unusual form of Opal

This unusual form of Opal is Menalite Opal from Agramon in Spain

Relieves hangovers and helps cure drunkeness

It also has gorgeous rainbow flashes inside

and non gem quality Aquamarine can be found fairly inexpensively in tumbled and raw form

Brewsterite on Calcite #2 Rare Crystals_UV Reactive This unusual form of OpalThis unusual Brewsterite on Calcite specimen with clear, stubby crystals (reminiscent of Aragonite) is from Strontian Barite Mine, Strontian, Argyll in Scotland. You will receive the exact crystal seen in the photographs Brewsterite is an unusual member of the Zeolite Group, and is actually classed as a family of minerals, as the chemical composition can vary with the amount of Strontium or Barium in the specimen.