Rock Microsection
Image: <a rel="nofollow" class="external text" href="https://www.flickr.com/people/12584677@N06">Leo-setä</a> (CC BY 2.0)
Mineral NameRock Microsection
Chemical FormulaVariable (composed of multiple minerals)
Streak ColorNot applicable (microscopic view)
CleavagePresent in some minerals (e.g., amphibole, biotite)
FractureNot applicable (microscopic view)
Colorsbrown, green, reddish-brown, yellowish-brown, grey, white, black
Transparencytransparent
Type LocalityUnknown
Mineral GroupSilicates (predominant)
Usesgeological research, education, petrographic analysis
Associated Mineralsamphibole, biotite, quartz, feldspar, opaque minerals
Raritycommon
Description
A microscopic image of a rock thin section viewed under polarized light, revealing an interlocking texture of various mineral grains. Prominent features include elongated, pleochroic grains displaying green, brown, and reddish interference colors, alongside polygonal, colorless to grey grains.
Geological Context
Rock thin sections are prepared for petrographic analysis to identify minerals, textures, and structures, providing insights into the rock's origin, formation processes (igneous, metamorphic, or sedimentary), and geological history.
