| Product Catalog > Metamorphic Rocks > Gneiss Metamorphic Rock |
|
Gneiss Metamorphic RockGneiss Metamorphic Rock. Pronounced “nice.” Light gray and white banded rock. The original rock type is typically a granite, arkose, siltstone or sandstone. Gneiss has a medium to coarse-grained texture. Each rock sample is approximately 1-2 inches in length and width. An information card with details on the rocks formation, mineral content, characteristics and uses is included. |
