R688

Sample ID R688 • Cabinet B

Welded Tuff

3.784cm W x 5.48cm H x 7.971cm D • 308g
Sample TypeRockRock QualityIgneousRock TypeExtrusive
CompositionFelsicTexturePyroclasticColor IndexLight
Clast SizeAcid ReactionMohs Hardness 6

It is somewhat shaped like the tip of a mountain. though more rectangular. It is partly ashy grey-brown in color.