Material
- Name
- Quartz grains
- Family
- mineral
- Origin
- natural terrestrial
- Comments
- Quartz grains red-yellow colored by ferruginous clays. Quartz grains are partly altered, some with ferric oxides inside
- Texture
- compact
- Grain sizes
-
Grains Size min Size max Size median Size width Size mass fraction Grain shape #1 200.0 ${\mu}m$ 400.0 ${\mu}m$ equant - Size distribution
- homogeneous