lyngounon of Theophrastus with tourmaline, but evidently his opinion is partly based on the attractive properties of heated tourmaline which had recently been...

(IUPAC: strontium hydro tetrafluoroaluminate monohydrate) Adachiite (tourmaline: IMA2012-101) 9.CK. [37] [no] [38] Adamite (andalusite: 1866) 8.BB.30...

The river gives its name to the dravite species of tourmaline. The Carpis (Greek: Κάρπίς) was a river which, according to Herodotus, flowed from the...

rubies, sapphires, topazes, tourmalines and zircons. This coronation crown closely resembles the medieval one, with a heavy gold base and clusters of...

Tsikourasite (phosphide: IMA2018-156) 1.0 [634] [no] [no] Tsilaisite (tourmaline: IMA2011-047) 9.CK. [635] [no] [no] Tsnigriite (IMA1991-051) 2.LA.55 [636]...

[663] [664] Chromium-dravite (tourmaline: IMA1982-055) 9.CK.05 [665] [666] [667] Chromo-alumino-povondraite (tourmaline: IMA2013-089 with new type material...

ruby, sapphire, spinel, and tourmaline. It is claimed that Afghanistan has at least $1 trillion in untapped mineral deposits. A memo from the Pentagon stated...

Lanka is known for producing a variety of gemstones, including chrysoberyl, corundum, garnet, ruby, spinel, and tourmaline, and is the leading producer...

(IUPAC: diron(III) di(trioxotellurate(IV)) sulfate trihydrate) Povondraite (tourmaline: IMA1990-E) 9.CK.05 [851] [852] [853] Powellite (scheelite: 1891) 7.GA...

fluoro-magnesiohastingsite (IMA2005-002)] 9.DE.15 [88] [89] [90] Magnesiofoitite (tourmaline: IMA1998-037 Rd) 9.CK.05 [91] [92] [no] Magnesio-hastingsite [Ca-amphibole:...