quartz diorite - hand/display specimen of a spectacular subduction-related igneous rock

quartz diorite - hand/display specimen of a spectacular subduction-related igneous rock

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

Quartz diorite is a plagioclase feldspar-rich plutonic rock, commonly speckled black and white, with biotite as the black mineral. It was emplaced during the Late Jurassic period as part of the Sierra Nevada batholith.

  • The description claims that the rock is pretty.
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  • Default Title — 9.50 USD — In stock

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