Kaufe Sillimanit Gems

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Sillimanit
Sillimanite is an aluminum silicate, related to both andalusite and kyanite. In fact these three minerals are polymorphs - they share the same chemical composition but different crystal structures.

Sillimanite is named after the American chemist Benjamin Silliman (1779-1864). Silliman was one of the first American professors of science and taught at Yale University.

Sillimanite gems may show a cat's eye and be cut en cabochon, or they may be faceted, transparent gemstones. The colors of sillimanite include colorless, grayish-white, green, bluish and brownish. A fibrous variety of sillimanite is traded as "fibrolite". Some sillimanite gemstones show pleochroism, which means that several colors may be exhibited in a single gemstone depending on the viewing angle.

Geprüfte Kundenbewertungen

Gesamtbewertung -> 10

My experiences with Gemselect have always been quite satisfactory. The items are accurately photographed, a detailed description and provenance provided and the compare feature helps customers select the best gem for their needs. I have often recommended this source and will continue to do so.

Geschrieben von GemGirl in November, 2019

Quelle: Bizrate

Gesamtbewertung -> 10

I ordered several specific items from Gemselect. Items are always packaged very carefully to protect the content. Gemselect always encloses a card of authenticity which documents the entire stone, its size, clarity, etc. All of the items are as they were described. I would highly recommend them to anyone who’s in the market for a gem.

Geschrieben von Ron in November, 2019

Quelle: Bizrate

Gesamtbewertung -> 9

I frequently check the GemSelect website for a variety of gems. I've been very satisfied with the selection and quality of the top rated gems. All of the purchases I've made have turned out beautiful pieces of jewelry.

Geschrieben von Steve in November, 2019

Quelle: Bizrate

Gesamtbewertung -> 10

Outstanding user interface. Clear images and videos. Easy filtering and searching of large inventory.

Geschrieben von Dan in November, 2019

Quelle: Bizrate

Gesamtbewertung -> 9

really good gem selection will becoming back

Geschrieben von Jehuty in November, 2019

Quelle: Bizrate

Gesamtbewertung -> 9

I enjoyed the purchase and all the choices. You have great online information about your company and guarantees.

Geschrieben von Philipj in November, 2019

Quelle: Bizrate

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Kaufe Sillimanit Gems

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