Quartz

Unknown Owner

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Siglo XX is one of the most impressive Bolivian localities. It is the type locality for many "best in the world" species, and it even produces some amazing specimens of common species like Quartz. Japan-Law twin Quartz specimens are well known in the mineral world and this piece is a great example of said material. The specimen hosts dozens of absolutely water-clear, razor sharp, highly lustrous, prismatic, colorless Quartz crystals, which are included by small specks of grey Bismuthinite, but the most important aspect of the piece is one very attractive Japan-Law twin measuring 3.5 cm across which is aesthetically flaring off the side. The specimen is associated with a minor coating of beige Wavellite.