Black-Gray Slate Metamorphic Rock - 3 Pieces Mineral Specimen Metaphysical Balancing Stone - Measures 1-2 inches on Longest Side

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