Elbaite

Specimen ID: U5C-LU3

Mineral(s)
Elbaite : Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Locality
As recorded:
Golconda Pegmatite district, Governador Valadares, Doce Valley, Minas Gerais, Brazil
Dimensions
51mm x 10mm x 7mm
Description
A single crystal of Elbaite (var. Indicolite) tourmaline with well-formed striations, which grades from gemmy rich-indicolite-blue at its base to more opaque, due to micro Albite inclusions, at its top termination. A dusting of sugary white Albite partly covers this flat termination. The base is not terminated. Acquired from well-known Brazilian dealer Luiz Menezes in the early 1990s, this is a fine Indicolite from this famous locality. No damage.
Previous data
Mineral(s)
Name withheld

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4,992,072 minIDs have been issued as of 6th Apr 2020 1:20 am BST