Search results
Results from the WOW.Com Content Network
Demantoid is the green gemstone variety of the mineral andradite, a member of the garnet group of minerals. Andradite is a calcium- and iron-rich garnet. The chemical formula is Ca 3 Fe 2 (SiO 4) 3 with chromium substitution as the cause of the demantoid green color. Ferric iron is the cause of the yellow in the stone.
Lithograph of African Free School which Garnet attended. Henry Garnet was born into slavery in Chesterville (then New Market), Kent County, Maryland, on December 23, 1815. [5] [6] "[H]is grandfather was an African chief and warrior, and in a tribal fight he was captured and sold to slave-traders who brought him to this continent where he was owned by Colonel William Spencer."
Garnet sand is also used for water filtration media. As an abrasive, garnet can be broadly divided into two categories; blasting grade and water jet grade. The garnet, as it is mined and collected, is crushed to finer grains; all pieces which are larger than 60 mesh (250 micrometers) are normally used for sand blasting.
Quizlet is a multi-national American company that provides tools for studying and learning. [1] Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [ 2 ] and released to the public in January 2007. [ 3 ]
Palm OS (also known as Garnet OS) is a discontinued mobile operating system initially developed by Palm, Inc., for personal digital assistants (PDAs) in 1996. Palm OS was designed for ease of use with a touchscreen-based graphical user interface.
Gadolinium gallium garnet (GGG, Gd 3 Ga 5 O 12) is a synthetic crystalline material of the garnet group, with good mechanical, thermal, and optical properties. It is typically colorless. It is typically colorless.
Garnet Crow Livescope 2010 ~THE BEST TOUR~ 4 August 2010 8,225 2 8th Garnet Crow Livescope 2009 ~Yoake no Soul~ (〜夜明けのSoul〜) 29 June 2011 5,587 5 9th Garnet Crow Livescope 2010+ ~welcome to the parallel universe!~ 29 June 2011 5,896 4 10th Garnet Crow Livescope 2012 ~the tales of memories~ 29 June 2012 5,291 5 11th
hibschite: 0.2 < x < 1.5; katoite: 1.5 < x < 3. Hydrogrossular is a garnet variety in which a Si 4+ is missing from a tetrahedral site. Charge balance is maintained by bonding a H + to each of the four oxygens surrounding the vacant site. Hydrogrossular is found in massive crystal habit, sometimes grown in with idocrase.