Documents Chapter: Rocks

When you look closely, the sparkles you see are individual crystals of minerals. A rock is a mixture of minerals, rock fragments, volcanic glass, organic matter, or other…

Documents When you look closely, the sparkles you see are individual crystals of minerals. A rock is a mixture...

When you look closely, the sparkles you see are individual crystals of minerals. A rock is a mixture of minerals, rock fragments, volcanic glass, organic matter, or other…