Mineral Slide Show
Click on any picture to begin the slide show.
Giant native copper (Cu) nugget on display in Whitehorse, Y.T., by Dr. Jim Mortensen. Zoned tourmaline. Diamond with graphite inclusion. Gold nuggets at Smithsonian, Washington, D.D., by Dr. ML. Bevier. Star ruby and star sapphire - gem varieties of corundum.
Rubies (corundum with chromium) in gneiss. Diamond in kimberlite host rock. Cubes of galena. Pyrite. Native gold (Au) in wire form.
Fluorite cubes. Asbestiform serpentine. "Watermelon" tourmaline. Staurolite twins. Thin section view of euhedral garnets in schist. Scale approximately 3 mm across.
Euhedral garnets in schist. Fire opal. Slices of concentrically-banded agate (chalcedony). Amethyst, a variety of quartz. Two varieties of hematite: botryoidal and earthy.
Calcite. Note rhombic cleavage. Calcite crystals. Siderite and elongate quartz crystals. Banded agate (chalcedony). Hexagonal quartz crystal.
Banded agate. Diamond in kimberlite. Diamonds! Diamond mine, Kimberley, South Africa. Tourmaline rosettes, Pala Mine, San Diego County, California.
Tourmaline on quartz. Opal. Fire opal. Petrified wood. Tourmaline on albite.
Structure of beryl, a cyclo-silicate. Beryl, variety emerald. Quartz (Herkimer diamond). Kyanite ( blue) with minor garnet (dark, equant) and staurolite (dark, elongate) crystals in schist. Native silver (Ag) in wire form.
Pyrite cubes. Cubic structure of NaCl. Halite cubes. Calcite scalenohedra. Calcite structure.
Quartz crystals Amethyst, a variety of quartz. Aquamarine, beryl with an iron impurity. Fluorite cubes. Placer gold (nugget).

All slides by Dr. R.L. Armstrong,
except as noted.
Copyright © 2002 Dept. Earth and Ocean Sciences,
The University of British Columbia.

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