Melanite

Melanite

Infobox mineral
name = Melanite
category =
boxwidth =
boxbgcolor =


imagewidth = 200px
caption = The black mineral is Melanite
formula = Ca3(Fe,Ti)2(SiO4)3.
molweight =
color = black
habit =
system = cubic
twinning =
cleavage = none
fracture =
mohs = 6.5 to 7
luster = vitreous
polish =
refractive = 1.89
opticalprop =
birefringence =
dispersion =
pleochroism =
fluorescence=
absorption =
streak =
gravity =
density =
melt =
fusibility =
diagnostic =
solubility =
diaphaneity =
other =

Melanite is a variety of the garnet group mineral andradite. It is a deep, glossy black form containing titanium within the chemical formula: Ca3(Fe,Ti)2(SiO4)3, and is sometimes referred to as "titanian andradite".

References

* [http://www.mindat.org/min-7443.html Mindat with location data]
* [http://www.geology.neab.net/minerals/melanite.htm Scandinavian mineral gallery]
* [http://www.galleries.com/minerals/gemstone/melanite/melanite.htm Mineral galleries]


Wikimedia Foundation. 2010.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • mélanite — 1. (mé la ni t ) s. f. Terme de minéralogie. Variété de grenat, de couleur noire. mélanite 2. (mé la ni t ) s. m. Genre de papillons. ÉTYMOLOGIE    Terme grec signifiant noir …   Dictionnaire de la Langue Française d'Émile Littré

  • Melanite — Mel a*nite (m[e^]l [.a]*n[imac]t), n. [Gr. me las, me lanos, black: cf. F. m[ e]lanite.] (Min.) A black variety of garnet. [1913 Webster] …   The Collaborative International Dictionary of English

  • mélanite — ● mélanite nom féminin (bas latin melanites, poix minérale) Variété de grenat (du type andradite) titanifère …   Encyclopédie Universelle

  • melanite — s. f. [Mineralogia] Mineral preto que se encontra nas matérias vulcânicas.   ‣ Etimologia: melano + ite   ♦ Grafia no Brasil: melanita …   Dicionário da Língua Portuguesa

  • melanite — [mel′ənīt΄] n. [Ger melanit, coined (1799) by A. G. Werner (see WERNERITE) < Gr melas (see MELANO ) + Ger it, ITE1] a black variety of andradite garnet …   English World dictionary

  • melanite — noun Etymology: German Melanit, from melan Date: circa 1807 a black andradite garnet • melanitic adjective …   New Collegiate Dictionary

  • melanite — melanitic /mel euh nit ik/, adj. /mel euh nuyt /, n. Mineral. a deep black variety of andradite garnet. [1800 10; MELAN + ITE1] * * * …   Universalium

  • melanite — noun A black variety of andradite …   Wiktionary

  • melanite — me·la·nì·te s.f. TS mineral. granato nero contenente titanio {{line}} {{/line}} DATA: av. 1835. ETIMO: der. di melano con 2 ite …   Dizionario italiano

  • melanite — pl.f. melaniti …   Dizionario dei sinonimi e contrari

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”