#glaucophane hashtag - Bluesky

@mineralsocamerica.bsky.social

3 months ago

Mineral Monday!
Is it glaucophane, chloritoid, or blue-green amphibole in Dutchess Co. NY? See our other social media feeds for more. By Donna Whitney et al.
#MSACommunications #MineralMonday #thinsection
#glaucophane #chloritoid #amphibole #DutchessCounty

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Sean David

@vaccinium-sultan.bsky.social

5 months ago

Retrograde eclogite imprinted with blueschist facies minerals including phengite (golden flakey mineral), actinolite (black needles), and glaucophane (blue).

Franciscan Complex, California

#eclogite #blueschist #metamorphism #geology #geoscience #glaucophane #mica #amphibole

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Mineralogical Society of America

@mineralsocamerica.bsky.social

8 months ago

Thin Section Thursday:
An epidote-rich vein in blueschist. Coarse epidote group minerals are intergrown with glaucophane (blue-violet in plane light) and Na-Ca amphibole (blue-green) + garnet. Field of view ~2 mm. Contributed by Donna Whitney. #blueschist #epidote #glaucophane

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