indicolite


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indicolite

(ˈɪndɪkəˌlaɪt) or

indigolite

n
(Minerals) a form of tourmaline ranging in colour from pale blue to blue-black
[C19: from Spanish indico indigo + -lite]
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References in periodicals archive ?
Gem grade tourmaline also occurs at Buleclhi and Shingus, Gilgit, they said adding that Indicolite (blue tourmaline) was found in pegmatite of Gram Chashma (Chitral).
Exotic Gems; Volume 3: How to Identify, Evaluate, Select and Care for Matrix Opal, Fire Agate, Blue Chalcedony, Rubellite Indicolite, Paraiba and Other Tourmalines
Erika" pendant: represents a water droplet in light blue epoxy, covered in Crystal, Aquamarine, Light Amethyst, Indicolite and Light Azore crystals applied using the Pointiageao technique.
Indicolite Tourmaline on Quartz Pederneira Mine, Minas Gerais, Brazil 4 1/4" tall ex-collection D.
Gem grade tourmaline also occurs at Buleclhi and Shingus, Gilgit , they said adding that Indicolite (blue tourmaline) was found in pegmatite of Garm Chashma (Chitral).
I was already on my way to Brazil in January of 2008 when Baiano informed me in a phone call that his mine was again yielding indicolite tourmaline, "cathedral" quartz and many associated minerals.
From the big pocket we drove 120 feet northwest, following some very good signs, but netted only a meager little pocket of small blue indicolite tourmalines.
The Gusalaka mine, near Pech, Kunar, produced some well-terminated, flawless, uniformly pale blue indicolite crystals to 5 cm.