//commons.wikimedia.org/wiki/Image:Octahedron.jpg. GNU-FDL,Public
Domain.(5) Grzegorz Framski.http://upload.wikimedia.org/wikipedia/commons/d/db/
Turkus_paj%C4%99czy_Brazylia.jpg. GNU-FDL.(6) Beryl and biotite are both silicate minerals.. Public Domain.(7) US Geological Survey. Aluminum is made from the minerals in rocks known as
bauxite.. Public Domain.(8) Mario Sartoicense.http://commons.wikimedia.org/wiki/Image:
Brillanten.jpg,http://en.wikipedia.org/wiki/Quartz,http:
//hvo.wr.usgs.gov/volcanowatch/2006/06_07_27.html. GNU-FDL,Public
Domain.(9) Ken Hammond.http://www.usda.gov/oc/photo/93cs3951.htm,http:
//commons.wikimedia.org/wiki/Image:Amethyst_Quartz_Macro_2.JPG. Public
Domain,CC-BY.(10) U.S. Department of Interior U.S. Geological Survey. Scientists test water that has
been contaminated by a mine.. Public Domain.
(11) http://commons.wikimedia.org/wiki/Image:Water_molecule.svg. Public
Domain.
(12) Stowarzyszenie Spirife.http:
//upload.wikimedia.org/wikipedia/commons/a/ae/Magnetyt1%2C_Boliwia.jpg.
GNU-FDL.
(13) http://en.wikipedia.org/wiki/Image:Sodium-chloride-3D-ionic.png. Public
Domain.
(14) The De Young Museum in San Francisco is covered in copper panels.. CC-BY.
(15) CK-12 Foundation.. CC-BY-SA.
(16) DENIS Aline. This mineral formed a smooth, curved surface when it fractured.
GNU-FDL.
(17) http://commons.wikimedia.org/wiki/Image:Halite09.jpg,http:
//geology.wr.usgs.gov/parks/rxmin/mineral.html#mica,http:
//www.flickr.com/photos/merec0/324979861/in/photostream/. Public
Domain,CC-BY.
(18) U.S. Department of the Interior, U.S. Geological Survey, and Mineral Information
Institute.http://commons.wikimedia.org/wiki/Image:RhyoliteUSGOV.jpg.
Public Domain.
