US$ 117.99
This specimen originates from Mexico
- Age: Cretaceous period
metallic mineral boasts a distinctive silver-gray color
Weight: 73 grams
- Type: Chalcedony (cryptocrystalline quartz) with iron oxide inclusions
Basic Rock Collection fossils This specimen originates from MexicoSize: 17. 8 x 13. 6 cms Weight: 50 grams (Avg) Location: Made in USA. Product Description: This introductory collection showcases a selection of fundamental rock types, providing a solid foundation for understanding geology. Sourced from various locations across the United States, each rock specimen has been carefully chosen and labeled to highlight its unique characteristics. The collection includes: Igneous rocks (e. g., granite, basalt) Sedimentary
US$ 117.99
US$ 108.99
US$ 1912.00
US$ 2099.50
US$ 1799.50
US$ 1999.50
US$ 3374.50
US$ 25.00
US$ 137.99
US$ 2699.50