A vast mounted set of 50 rocks and minerals found in the United States. This collection emphasizes incredible variety, and covers the full range of sedimentary, igneous, and metamorphic rocks. Featuring rocks and minerals such as scoria, pyrite, oil shale, sulfur, pyrolusite, jade, calcareous tufa and corundum this comprehensive set boasts both familiar and lesser known specimens. A comprehensive handbook is included, which defines key terms, gives the specific gravity and hardness as well as a brief description for each rock and mineral. An excellent study tool for those with an interest in geology, or a great gift to introduce a loved one to the diversity of US geological formations.
A massive mounted set of 100 rocks and minerals found in the US,
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
This kit includes several different projects that demonstrate the power of magnets!
This glass Erlenmeyer mug makes an excellent gift!
The large realistic model has removable organs that can be studied and set back into the correct position.
This microscope is so versatile you can even take it with you on a job site!
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