R722

Sample ID R722 • Cabinet B

Lava

14.907cm W x 5.958cm H x 4.185cm D • 484g
Sample TypeRockRock QualityIgneousRock TypeExtrusive
CompositionMaficTextureVesicularColor IndexDark
Clast SizeAcid ReactionMohs Hardness 8

It is rectangular shaped. Has a somewhat smooth/glassy top, and vesicle bubbles of varying sizes on all the remaining sides.