phyllite -  teaching student specimens of silver to dark gray phyllite from the Shoo Fly Complex - UNIT OF 5 SPECIMENS

phyllite - teaching student specimens of silver to dark gray phyllite from the Shoo Fly Complex - UNIT OF 5 SPECIMENS

Brand: Geological Specimen Supply
4.20 USD In stock Buy at Merchant

Phyllite is a metamorphic rock with a sheen due to aligned mica and other minerals, formed during the Late Jurassic Nevadan orogeny in the Sierra Nevada, California.

  • The sheen is from tiny aligned mica and other minerals.

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