Microcline (Manebach twin - repaired)

specimen number:
2063817

location:
Crystal Peak, Teller Co., Colorado, USA

description:
A loose pale bluish green semi lustrous large blocky grouping of microcline crystals, this the variety known as amazonite, forming what is called a manebach twin. The piece has been repaired. The specimen comes with a previous label from the collection of Ray DeMark. He collected the piece personally in 1986.

Crystal Peak in Teller County, Colorado, is world-renowned for exceptional pegmatite pockets weathered out of the Pikes Peak Granite, yielding legendary specimens since the late nineteenth century. The area is particularly famous for amazonite, the vivid blue-green variety of microcline feldspar whose color stems from trace impurities and structural irradiation within late-stage magmatic fluids. Collectors and miners prize these pegmatites for producing striking cabinet pieces, frequently featuring aesthetic associations with smoky quartz as well as remarkable manebach twins, where two microcline crystals intergrow symmetrically along a specific crystallographic plane to form classic V-shaped butterfly silhouettes.

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