Biotite tutorial Optical mineralogy
4:35
YouTubeMatt Kohn
Biotite tutorial Optical mineralogy
Several videos of Biotite in thin section, showing typical textures and optical characteristics. Supported by Boise State University and the US National Science Foundation. Key characteristics: Pleochroic in brown/reddish brown, pleochroic haloes, high interference colors, birds' eye extinction 00:00 Typical single crystal showing brown ...
16.7K viewsApr 29, 2021
Biotite Rocks
CHALLION CREW HITS A MAJOR LITHIUM INTERCEPTION! Out here in the field, the rocks are finally speaking and the story is lithium. Our Challion Core Drilling Team has been making a significant interception at lithium-bearing pegmatite vein right within the biotite, muscovite gneiss host sequence. Depth of Hit: Begins at ~20 m Thickness: A solid ~3 m of clean, promising pegmatite Host Rock: Biotite gneiss and muscovite gneiss ,classic indicators of a fertile basement complex Potential: High-grade p
CHALLION CREW HITS A MAJOR LITHIUM INTERCEPTION! Out here in the field, the rocks are finally speaking and the story is lithium. Our Challion Core Drilling Team has been making a significant interception at lithium-bearing pegmatite vein right within the biotite, muscovite gneiss host sequence. Depth of Hit: Begins at ~20 m Thickness: A solid ~3 m of clean, promising pegmatite Host Rock: Biotite gneiss and muscovite gneiss ,classic indicators of a fertile basement complex Potential: High-grade p
FacebookNC Gideon
3.2K views1 month ago
Black Mica Booklet: Biotite Crystal Specimen, Ontario Canada, 4.3 Oz - Etsy
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Black Mica Booklet: Biotite Crystal Specimen, Ontario Canada, 4.3 Oz - Etsy
etsy.com
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Rocks of the Rocky Mountains
Rocks of the Rocky Mountains
earthathome.org
Sep 15, 2022
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