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Red corundum with green
margarite mica, shiny-black rutile in white calcite of the Franklin Marble
from near Sterling Hill. This is the more common occurrence of corundum,
large well formed crystals are rare from here. Specimen is 10 cm in maximum
dimension. Smithsonian Institution #C6101.
Photo courtesy of the
Franklin Mineral Museum Inc. Archive.
morei |
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Red corundum crystals with
green diopside, phlogopite mica, spinel, and altered pyrite from the
Franklin Marble. The smallest crystal has been attached as a fake. Specimen
is 9 cm in maximum dimension. Mineralogical Museum, Harvard University
#121252.
Photo courtesy of the
Franklin Mineral Museum Inc. Archive. |
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