Use digging tools and a dusting brush to uncover 2 hidden rocks and/or minerals in this fun and simple kit!
Item#: 15662 Age: 6+
How to demonstrate natural birefringence or image-doubling? Use this chunk of optical calcite.
Item#: 10968 Age: 7+
(1 customer reviews)
This is a beautiful speciment of Chrysocolla rock. Makes a great addition to your school rock collection!
Item#: 11203 Age: 7+
(3 customer reviews)
Small booklet that gets you started in the wonderful world of rocks, minerals and crystals.
Item#: 10980 Age: 7+
(2 customer reviews)
Neat rock for the geology fanatic in your family!
Item#: 11206 Age: 7+
Is this really wood? Well, it certainly used to be! An essential mineral to add to any mineral collection!
Item#: 13341 Age: 7+
Beautiful gypsum rosettes or desert roses. Great for geology study.
Item#: 10975 Age: 7+
This beautiful mineral is actually quartz with iron impurities!
Item#: 10973 Age: 7+
(1 customer reviews)
One of the most essential rocks for study of geology.
Item#: 10978 Age: 7+
(1 customer reviews)
Neat Quartz points, made from one of the most abundant and most useful minerals on Earth.
Item#: 10970 Age: 7+
This emerald quartz specimen is a great addition to any rock collection!
Item#: 14257 Age: 7+
(1 customer reviews)
A unique mineral that will show off the breadth of your knowledge for your next science project.
Item#: 13346 Age: 7+
(3 customer reviews)
Place colored stones into a solution and watch them grow into beautiful, colorful crystal formations.
Item#: 15526 Age: 10+
This set contains 9 different minerals, each corresponding to a different position on the Moh's Hardness Scale; the kit includes white and glass streak plates, a penny, and a nail so you can test the hardness and color streaks for all your minerals
Item#: 16408 Age: 8+
(1 customer reviews)
This large chunk of Rose Quartz, 2-3 inches in diameter, is great for any mineral collection.
Item#: 15756 Age: 14+
(1 customer reviews)
This high-quality specimen is approx 2-3 inches big!
Item#: 15757 Age: 14+
Dendrite is a crystal that develops with a multi-branching tree-like form.
Item#: 15747 Age: 14+
A beautiful addition to any rock collector’s specimens!
Item#: 11817 Age: 10+
(1 customer reviews)
Awesome item for your loved one’s office!
Item#: 11822 Age: 10+
(2 customer reviews)
A massive mounted set of 100 rocks and minerals found in the US,
Item#: 15378 Age: 8+
(3 customer reviews)
This large chunk of Emerald, 2-3 inches in diameter, is great for any mineral collection.
Item#: 15750 Age: 14+
This large chunk of Quartz Crystal Cluster, 2-3 inches in diameter, is great for any mineral collection.
Item#: 15751 Age: 14+
This small quartz cluster is a great addition to any rock collection!
Item#: 14635 Age: 8+
This large chunk of Golden Mica with Tourmaline, 2-3 inches in diameter, is great for any mineral collection.
Item#: 15753 Age: 14+
(1 customer reviews)
An introductory set of 24 sedimentary, igneous and metamorphic rocks and minerals!
Item#: 15381 Age: 8+
This necklace features a real meteorite!
Item#: 14599 Age: 8+
(3 customer reviews)
An amethyst cluster painted over with a metallic sheen that confers an incredible iridescence
Item#: 16187 Age: 12+
This large Amethyst Point, 2-3 inches in diameter, is great for any mineral collection.
Item#: 15762 Age: 14+
This large chunk of Fuchsite, 2-3 inches in diameter, is great for any mineral collection.
Item#: 15764 Age: 14+
(1 customer reviews)
These genuine meteorites are perfect as a small gift or for display in the classroom!
Item#: 14209 Age: 8+
(1 customer reviews)
This large chunk of Lepidolite, 2-3 inches in diameter, is great for any mineral collection.
Item#: 15766 Age: 14+
(1 customer reviews)
This large chunk of Moscovite Mica, 2-3 inches in diameter, is great for any mineral collection.
Item#: 15754 Age: 14+
This large chunk of Botryoidal Hematite, 2-3 inches in diameter, is great for any mineral collection.
Item#: 15760 Age: 14+
15 natural minerals collection that demonstrates various luster.
Item#: 15847 Age: 14+
This large chunk of Black Tourmaline in Quartz, 2-3 inches in diameter, is great for any mineral collection.
Item#: 15765 Age: 14+
A great affordable rock collection that features all the most important rocks and minerals found in United States. Great for studying geology.
Item#: 14024 Age: 6+
(3 customer reviews)
This genuine meteorite is great for the rock collector in your family!
Item#: 14598 Age: 8+
(1 customer reviews)
This genuine specimen of a fulgurite is perfect for any science classroom!
Item#: 14601 Age: 8+
(1 customer reviews)
This beautiful candle holder is carved out of natural amethyst!
Item#: 15091 Age: 10+
(3 customer reviews)
Great kit for teaching rock classifications in the classroom setting!
Item#: 13217 Age: 8+
(4 customer reviews)
This ammonite fossil set is perfect as a small gift or for display in the classroom!
Item#: 14205 Age: 7+
(2 customer reviews)
This large chunk of Desert Rose Cluster, 2-3 inches in diameter, is great for any mineral collection.
Item#: 15752 Age: 14+
This large chunk of Amazonite, 2-3 inches in diameter, is great for any mineral collection.
Item#: 15758 Age: 14+
At xUmp.com you will find a large selection of scientific products carefully curated by real scientists and educators. We sell everything from educational toys, teacher supplies for science classroom, lab equipment, science toys, science fair supplies, classroom equipment, chemistry glassware, chemistry lab equipment, physics demos, electronics supplies, robots, science kits to geeky science gifts.