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Spinel - Wikipedia
Spinel crystallizes in the isometric system; common crystal forms are octahedra, usually twinned . It has no true cleavage, but shows an octahedral parting and a conchoidal fracture. Its hardness is 8, its specific gravity is 3.5–4.1, and it is transparent to opaque with a vitreous to dull luster.
en.wikipedia.org
en.wikipedia.org
Everything You Need to Know About the Spinel Gem
Spinel is a mineral that owes its beautiful color to chromium, much like rubies and emeralds do. It has a hardness of 8 on the Mohs hardness ...
www.americangemsociety.org
www.americangemsociety.org
Spinel | Steven Universe Wiki | Fandom
Spinel is the main antagonist of Steven Universe: The Movie and a supporting character in Steven Universe Future. She was created at least 6000 years prior ...
steven-universe.fandom.com
steven-universe.fandom.com
spinel
▪ I. spinel (ˈspɪnəl) Forms: 6 spynel, 7 spinnell, 7–9 spinell, 8–9 spinal, 7– spinel. [ad. older F. espinelle (mod.F. spinelle, It. spinella, Sp. espinela). See also espinel and spinelle.] 1. a. A gem or precious stone of a red or scarlet colour, closely resembling the true ruby, now classed as bel...
Oxford English Dictionary
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Spinel Gem, Price, and Jewelry Information
The spinel gem is beautiful in its own right. Its colors, durability, and relative affordability make it an excellent jewelry stone.
www.gemsociety.org
www.gemsociety.org
Spinel Stone - GIA
Spinel is found in alluvial deposits; it ranks 8 on the Mohs scale and has good toughness, making it a durable gem for jewelry.
www.gia.edu
www.gia.edu
Joseph Spinel
Iossif Aronovich Spinel. () (September 25 (7 October)1892, Bila Tserkva, Kiev Governorate, now Ukraine — 2 July 1980, Moscow) was a Russian painter, graphic Iskusstvo Publishing House Moscow 1974, 404 pages with illustrations (in the online library ImWerden)
Set drawing by Iossif Spinel.
wikipedia.org
en.wikipedia.org
Loose Natural Spinel Gemstones for Sale - GemsNY
Select from thousands of GIA certified natural spinel gemstones in 360 view. Buy loose spinel stones or set in a ring, pendant or earrings.
www.gemsny.com
www.gemsny.com
Understanding Spinel: A Gemstone With Brilliance And Vibrancy
Spinel is a durable gem material. Its hardness is eight on Mohs' scale, and the absence of cleavage improves its toughness.
gem-a.com
gem-a.com
Spinels - Brilliant Earth
Spinels. From aquamarine to zircon and everything in between, our gemstone engagement rings feature a brilliant variety of bold colors.... Read More.
www.brilliantearth.com
www.brilliantearth.com
Spinel - History of Spinel Mines, Characteristics and FAQs - Berganza
A hard and durable gemstone, spinel scores an 8 on the Mohs scale of mineral hardness, making it a perfect choice for a piece of jewellery.
www.berganza.com
www.berganza.com
Spinel's New Best Friend - Fimfiction
Main 6. As Spinel watched Steven and his friends celebrate, she realized that she had done too much to them and everyone on this world to be their friend, and ran off to the warp pad. But even after she set foot on a new world she realized that no one would be friends with the person she was now... it's a good thing she had another Rejuvenator.
www.fimfiction.net
Ulvöspinel
It belongs to the spinel group of minerals, as does magnetite, Fe3O4. are rich in the ulvöspinel component.
wikipedia.org
en.wikipedia.org
ulvöspinel
ulvöspinel Min. (ˌʌlvəʊspɪˈnɛl) Also ulvo-. [ad. Sw. ulvöspinell (F. Mogensen 1943, in Blad för Bergshandt. Vänner XXVI. 135), f. the name of the Ulvö islands, Sweden: see spinel.] A mineral of the spinel group, Fe2TiO4, frequently found as lamellæ in magnetite.1947 Mineral. Abstr. X. 6 X-ray examin...
Oxford English Dictionary
prophetes.ai
Spinel group
Spinel group members
Members of the spinel group include:
Aluminium spinels:
Spinel: , after which this class of minerals is named
Gahnite:
Hercynite: The mineral spinel has a normal spinel structure.
wikipedia.org
en.wikipedia.org