You get FIVE (5) Geodes. Break Your Own crystal-filled natural, genuine Geodes from Morocco. Kids love this activity as they can break open a genuine geode (volcanic rock) which has beautiful quartz crystals inside. Simply use a household hammer and lightly tap the geodes off-center, until they split. Great dinosaur party activity or crystal mining party activity. One of our favorite science teacher supplies. Size varies - approximate size is 2"-4" in diameter. These come from Morocco are are absolutely brilliant inside. Great Dinosaur party favor or dinosaur party activity. Call 917-375-4248 for wholesale or volume discounts!
Fool's Gold vs. Real Gold ID Card with Real Pyrite (Fool's Gold) - Science Fair Resource, Great Gift
$24.99
Fool's Gold ID card with educational info - history of the fascination with gold
Includes facts about the properties of Fool's Gold (Pyrite) vs. Real Gold
Real Pyrite (Fool's Gold) Sample affixed to sturdy card stock, come in a protective plastic zip lock
Great Rock and Mineral Science Fair Resource
Great Gold Panning resource
Fantastic science fair resource related to rocks and minerals or geology. This fact-filled card outlines the differences between real gold and fool's gold and has a large (approximately 1") chunk of genuine pyrite, also knows as Fool's Gold. Card Measures 6" x 5"
ID Chart - MOHS Hardness Scale - Rock and Mineral Collection
$19.99
Great earth science resource - Chart with samples on the Mohs Hardness Scale
Includes numbers 1-9 (all except diamond)
Specific samples included are Talc, Gypsum, Calcite, Fluorite, Apatite, Feldspar, Quartz, Topaz, Corundum
Wonderful for Science Fair presentations on Rocks, Minerals or Geology
The chart measures 8 1/2" x 5 1/4" with samples affixed to a sturdy card with ziplock protective plastic covering
Includes 9 genuine rocks/minerals/gemstones that are one through nine on the Mohs Hardness Scale. The Moh's scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. It was created in 1812 by the German geologist and mineralogist Friedrich Mohs and is one of several definitions of hardness in materials science.
