Buy Now
12 Pack - Coarse White Marble, Metamorphic Rock Specimens - Approx. 1"
COARSE WHITE MARBLE | Marble is a metamorphic rock formed from limestone. The high-pressure, low-heat alteration leads to a massive crystalline ro...
View full detailsESNG0057PK12
12 Pack - Raw Green Slate, Metamorphic Rock Specimens - Approx. 1"
GREEN SLATE | Slate is very lightly metamorphosed and well-foliated. This appearance often makes it difficult to distinguish from its parent rock,...
View full detailsESNG0086PK12