Pack of 3 , Each rock is approximately 1-2 inches on the longest side., Thickness ranges from around 1/2 cm to 1 cm., A fine-grained, layered
Raw Slate, Metamorphic Rock Specimen - Approx. 1 - Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs: : Industrial & Scientific
Slate: Metamorphic Rock - Pictures, Definition & More
Historic Piece Only One Slate Stone With Drill Bit Impressions
Geode Rocks Slate
Black Slate Stone
Slate Stepping Stones
Balance Minerals
Each rock measures approximately 1-2 inches in length Composed of clay and volcanic ash, combined with heat and pressure Used in a variety of
Black-Gray Slate Metamorphic Rock 1-2 inches - 2 Pieces
Gray Slate Pieces
Raw Red Slate, Metamorphic Rock Specimen - Hand Sample - Approx. 3 — Eisco Labs
Metamorphic Rocks, Volcano World