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Specimen from the Skaergaard intrusion. By Kurt Hollocher

Specimen from the Skaergaard intrusion. By Kurt Hollocher

Skaergaard Photomicrographs -- Gabbroic anorthosite from a small autolith block in the Homestead area, UZa. Mineralogy: plagioclase with interstitial augite, olivine, oxides, and biotite. Interstitial olivine, augite and interstitial quartz. Field width is 6 mm.

Specimen from the Skaergaard intrusion. By Kurt Hollocher

Stesso meteorite, stessa acqua

Stesso meteorite, stessa acqua

A VERSION FOM CHINA:  Another arresting specimen of an ordinary chondrite, again less than 10 millimeters across, was sampled from the Bo Xian chondrite, which made landfall in Zhang Wo, China—a part of Bo County, in Anhui Province— in 1977

Fall That Glitters: Microscopy Reveals Stained-Glass Beauty in Ancient Meteorites Another arresting specimen of an ordinary chondrite, again less than 10 millimeters across, was sampled from the Bo Xian chondrite

Skaergaard Photomicrographs -- Mineralogy: plagioclase, augite, olivine, oxides. Cumulus phases are plagioclase, olivine, augite, and oxides. Augite is light brown, and olivines are slightly lighter in color and slightly greenish, and several grains of each are visible. Field width is 6 mm.

Specimen from the Skaergaard intrusion. By Kurt Hollocher

Rocks and minerals under a microscope are art!  This is a schist as it appears under the microscope.

mica schist - isotropic minerals are garnet. This rock is in the garnet zone of metamorphism.

Reflected light petrographic image showing native copper sheet enclosed beneath layers of red cuprite.

Reflected light petrographic image showing native copper sheet enclosed beneath layers of red cuprite.

Gabbro and Olivine thin section(s) under polarization. This makes me miss mineralogy class. LOVED the lab work.

Gabbro and Olivine thin section(s) under polarization. This makes me miss mineralogy class. LOVED the lab work.

Image result for amethyst rock cave light

Image result for amethyst rock cave light

dogtooth calcite crystals atop the amethystine substrate Hubei province of China

dogtooth calcite crystals atop the amethystine substrate Hubei province of China

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