R208

Sample ID R208 • Cabinet B

rhyolite

83.1cm W x 68.6cm H x 66.7cm D • 376g
Sample TypeRockRock QualityIgneousRock TypeExtrusive
CompositionFelsicTextureVesicularColor Index
Clast SizeAcid ReactionMohs Hardness 6

wedge shaped chunk of reddish glassy rock with black splotches across its face. two of the far edges are rough and dulled and unpolished.