Tonalite #24 4-08-20

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Author name
rocksandminerals
Source
Sketchfab
Polygon Count
30,000
Release Date
2020-04-09
License
CC BY 4.0
agisoftphotoscan

Asset Overview

This specimen of tonalite comes from San Diego County, California. It is about 8 cm in longest dimension. The dominant minerals are grey translucent quartz, whitish plagioclase and black hornblende. Biotite is also present; it appears as black flakes that contrast with the hornblende that shows multiple directions of cleavage.