It will be necessary, at least at first, only to distinguish between minerals with a metallic luster and those with one of the non-metallic lusters. A metallic luster is a shiny, opaque appearance similar to a bright chrome bumper on an automobile.
geology.csupomona.edu/alert/mineral/luster.htm geology.csupomona.edu/alert/mineral/luster.htm
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www.wappingersschools.org/RCK/Pages/Science/EScience/We... www.wappingersschools.org/RCK/Pages/Science/EScience/WebShows/minerals/sld013.htm
First Group of Minerals have a Metallic Luster; Hematite is the exception because it can have either Metallic Luster or Non-Metallic Luster.
student.ccbcmd.edu/~bhugick/shsunit2_unit/fesminp16.htm
Luster generally vitreous to pearly. Used in manufacture of some ceramics. Forms a continuous series from the calcium rich variety to the sodium-rich variety (refer to Bowen's Reaction Series). Plagioclase is the common feldspar found in intermediate to mafic silicate rocks.
jersey.uoregon.edu/~mstrick/MinRockID/MineralID/NonMeta... jersey.uoregon.edu/~mstrick/MinRockID/MineralID/NonMetallic4.html
Earthy; clayey odor. Earthy to dull luster. A swelling clay, used to stop leaks in ... Many forms and lusters (can also occur in metallic forms). Can be massive, radiating, botryoidal, and micaceous. The crystalline (metallic and sub-metallic) varieties are generally harder than the earthy (non-metallic) varieties.
www.jersey.uoregon.edu/~mstrick/MinRockID/MineralID/Non... www.jersey.uoregon.edu/~mstrick/MinRockID/MineralID/NonMetallic1.html
Many forms and lusters (can also occur in metallic forms). Can be massive, radiating, botryoidal, and micaceous. The crystalline (metallic and sub-metallic) varieties are generally harder than the earthy (non-metallic) varieties. ... Usually massive. All six cleavages rarely seen on a single specimen. Luster typically resinous,
www.jersey.uoregon.edu/~mstrick/MinRockID/MineralID/Non... www.jersey.uoregon.edu/~mstrick/MinRockID/MineralID/NonMetallic3.html
Non Metallic Lustre ... Usually colourless or white; Usually coloured ... Search this site powered by FreeFind;
www.netspace.net.au/~mwoolley/n-met-start-fr.htm
Non-Metallic Mineral Deposit selling leads from around the world. Find the Non-Metallic Mineral Deposit you need on Alibaba.com now. ... Browse Non-Metallic Mineral Deposit by Category: ... Synonym: crystalline silicon, industrial silicon, microsilica Properties: the crystal with a gray metallic luster....
www.alibaba.com/manufacturers/908/Non_metallic_Mineral_... www.alibaba.com/manufacturers/908/Non_metallic_Mineral_Deposit.html
minerals chart-2008 (PDF File)
S Bauxite; NON-METALLIC LUSTER (LIGHT COLORED); Softer than; Glass; No; Cleavage; White color, occasionally mottled with red stain. H=1 - 2. S.G.=2.6. Earthy luster with no visible cleavage. Streak white. Becomes pliable when wet.
www.usouthal.edu/geology/haywick/GY111/min.pdf
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