Muscovite, Beryl

Specimen ID: 2D1-9UN

Mineral(s)
Muscovite : KAl2(AlSi3O10)(OH)2
Beryl : Be3Al2(Si6O18)
Locality
As recorded:
Mt. Xuebaoding, Pingwu Co., Mianyang Pref., Sichuan, China
Dimensions
78mm x 54mm x 28mm
Certificates
Description
An unusual matrix plate well encrusted with Beryl (both Aquamarine and Goshenite) with fine clarity. The unusual part is the habit here, these are not the typical tabular crystals from Xuebaoding, but elongated prisms with truncated pyramids. Xuebaoding is a world famed locale and had produced many fine Beryls but almost always in a rare tabular habit. In 2006 a small zone with some elongated crystals produced these odd habit Beryl. This is a very good example from that find, there have been no more since.
Previous data
Mineral(s)
Name withheld

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10,445,348 minIDs have been issued as of 9th May 2024 12:04 pm UTC