Monika Heidemann

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Monika Heidemann
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Peridotite rock is perhaps the most important of the planet, even when not is observed much as it is present beneath the Earth's crust.

Peridotite rock is perhaps the most important of the planet, even when not is observed much as it is present beneath the Earth's crust.

Apollo 17 thin section.  Lunar dunite.

Moon Rock, thin section viewed in cross polarized light. Genuine lunar meteorites available at Galactic Stone & Ironworks.

This is a macro shot of a cut surface of a garnet schist from France's Conquet Schists. It was taken as part of photographer Ian Simpson's project to photograph a rock every day of

A microscope reveals colorful augite crystals in this 1.3 billion-year-old meteorite from Mars, which researchers studied to understand the red planet's atmospheric history.

Martian Meteorites Yield Clues to the Planet’s Early Atmosphere

Alkali feldspar (var. microcline) in XPL, showing distinctive tartan twinning.

Alkali feldspar (var. microcline) in XPL, showing distinctive tartan twinning.

Sillimanite in PPL - the colorless high relief pencil-shaped crystals

Omphacite in an eclogite.

Basalt from Stromboli, Colorful pyroxene crystals, white feldspar, black glassy matrix under polarized microscope.

Rock under a polarized microscope (thin section, cool colors) Basalt from Stromboli, Colorful pyroxene crystals, white feldspar, black glassy matrix under polarized microscope.

Hornblende

Hornblende under crossed nichols.

migeo:  Petrographic thin section of a Late Formative Ceramic from Iruhito, Bolivia (by aroddick) Ceramic petrography is a thing.

migeo: Petrographic thin section of a Late Formative Ceramic from Iruhito, Bolivia (by aroddick) Ceramic petrography is a thing.

Glaucophane in XPL, in a metachert

Glaucophane in XPL, in a metachert

character ref

character ref

Monazite (XPL): note the extreme birefringence and diamond shape

Monazite (XPL): note the extreme birefringence and diamond shape

North West Africa 4590 meteorite thin section

This is a photograph of the NWA 4590 meteorite. This is a photo of a thin section of this meteorite viewed through a microscope using transmitted cross polarized light. The different colors indicate the mineral and crystal composition of this meteorite.

D'Orbigny meteorite thin section viewed through a polarizing microscope

D'Orbigny meteorite thin section viewed through a polarizing microscope