Elbaite, a sodium, lithium, aluminium boro-silicate, with the chemical composition Na(Li1.5Al1.5)Al6Si6O18(BO3)3(OH)4,[4] is a mineral species belonging to the six-member ring cyclosilicate tourmaline group.
Elbaite forms three series, with dravite, with fluor-liddicoatite, and with schorl. Due to these series, specimens with the ideal endmember formula are not found occurring naturally.
As a gemstone, elbaite is a desirable member of the tourmaline group because of the variety and depth of its colours and quality of the crystals. Originally discovered on the island of Elba, Italy in 1913, it has since been found in many parts of the world. In 1994, a major locality was discovered in Canada, at O'Grady Lakes in the Yukon.
Elbaite forms in igneous and metamorphic rocks and veins in association with lepidolite, microcline, and spodumene in granite pegmatites; with andalusite and biotite in schist; and with molybdenite and cassiterite in massive hydrothermal replacement deposits.
Elbaite is allochromatic, meaning trace amounts of impurities can tint crystals, and it can be strongly pleochroic. Every color of the rainbow may be represented by elbaite, some exhibiting multicolor zonation. Microscopic acicular inclusions in some elbaite crystals show the cat's eye effect in polished cabochons.
Dutch badminton player Badminton playerAlyssa TirtosentonoPersonal informationCountryNetherlandsBorn (2000-05-29) 29 May 2000 (age 23)The Hague, Netherlands[1]ResidenceArnhem, NetherlandsHeight1.70 m (5 ft 7 in)HandednessRight[2]Women's & mixed doublesHighest ranking39 (WD with Imke van der Aar 8 November 2022)101 (XD with Brian Wassink 3 January 2023)Current ranking80 (WD with Kirsten de Wit)101 (XD with Brian Wassink) (3 January 2023) Medal record W…
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Radio station in Temecula, California KTMQTemecula, CaliforniaBroadcast areaTemecula ValleyInland EmpireFrequency103.3 MHzBrandingQ 103.3ProgrammingFormatActive rockOwnershipOwneriHeartMedia, Inc.(iHM Licenses, LLC)Sister stationsKFOO, KGGI, KMYT, KPWKHistoryFirst air date2000; 23 years ago (2000) (as KFXM)Former call signsKFXM (2000–2001)KGBB (2001–2004)Call sign meaningK TeMecula Valley's Q103.3Technical informationFacility ID85012ClassAERP1,250 wattsHAAT218 meters (715…
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Coordenadas: 46° 43' N 9° 24' E Portein Comuna da Suíça Brasão de armas Administração Cantão Grisões Distrito Hinterrhein Comunaslimítrofes Flerden, Masein, Safien, Sarn, Tartar Código postal 7423 Prefixo telefónico 081 Língua oficial alemão Demografia População 23 hab. Densidade 7 hab./km² Geografia Coordenadas 46° 43' N 9° 24' E Altitude 1.178 m Área 3,42 km² Localização ver Portein foi uma comuna da Suíça, no Cantão Grisões,[1] com cerca de 23 habitantes. Estendia-s…
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AwardFellow of the Institution of Mechanical Engineers (FIMechE)LocationLondonWebsitewww.imeche.org/membership-registration/become-a-member/fellow Fellowship of the Institution of Mechanical Engineers (FIMechE) is an award and fellowship granted to individuals that the Institution of Mechanical Engineers judges to be a professional engineer working in a senior role with significant autonomy and responsibility.[1] It is the highest level of membership and demonstrates experience, commitme…
Щодо інших людей з таким самим іменем та прізвищем див. Зелінський. |портрет= Микола Дмитрович Зелінський Народився 25 січня (6 лютого) 1861Тирасполь, Херсонська губернія, Російська імперіяПомер 31 липня 1953(1953-07-31)Москва, Російська РФСР, СРСРПоховання Новодівичий цвинтарКраїна …
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