Pumice, a very low-density volcanic rock, the only rock that floats in water
Item#: 16401 Age: 14+
(1 customer reviews)
Sulfur, a vital element that is used in a wide variety of manufacturing or chemical processes. It is bright yellow and often takes the odor of rotting eggs.
Item#: 16402 Age: 14+
Quartzite, a metamorphic rock that is formed via heat and pressure applied to quartz sandstone.
Item#: 16404 Age: 14+
(1 customer reviews)
Neat rock for the geology fanatic in your family!
Item#: 11206 Age: 7+
Beautiful gypsum rosettes or desert roses. Great for geology study.
Item#: 10975 Age: 7+
Artificial Bismuth crystal grown from molten Bismuth in a laboratory setting featuring iridescent colors caused by natural oxidation and a crystal lattice structure resembling a temple or ziggurat
Item#: 16163 Age: 14+
(2 customer reviews)
Is this really wood? Well, it certainly used to be! An essential mineral to add to any mineral collection!
Item#: 13341 Age: 7+
Great image-doubling optical calcite!
Item#: 10968 Age: 7+
(1 customer reviews)
Unique rock to add to your 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+
(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+
A unique mineral that will show off the breadth of your knowledge for your next science project!
Item#: 13346 Age: 7+
(3 customer reviews)
Great kit for teaching rock classifications in the classroom setting!
Item#: 13217 Age: 8+
(4 customer reviews)
This beautiful mineral is actually quartz with iron impurities!
Item#: 10973 Age: 7+
(1 customer reviews)
Talc, the softest mineral on the Moh's hardness scale, and the primary ingredient in baby powder
Item#: 16403 Age: 14+
(1 customer reviews)
A chunk of naturally magnetized magnetite! The rock that magnetically attracts iron, found in nature!
Item#: 15472 Age: 18+
(1 customer reviews)
Great tumbled quartz piece to add to any rock collection!
Item#: 13661 Age: 7+
Use this mineral test kit for classroom learning or as part of a science project!
Item#: 14232 Age: 10+
This emerald quartz specimen is a great addition to any rock collection!
Item#: 14257 Age: 7+
(1 customer reviews)
This small quartz cluster is a great addition to any rock collection!
Item#: 14635 Age: 8+
A naturally sculpted copper specimen taken directly from the Earth - each piece is totally unique in shape and bears a brilliant reddish-golden-brown coloration - makes a great gift or stocking stuffer!
Item#: 16164 Age: 7+
A great affordable rock collection!
Item#: 14024 Age: 6+
(2 customer reviews)
An affordable way to get your child interested in collecting geological specimens!
Item#: 14025 Age: 6+
(1 customer reviews)
This exploratory kit including 9 metallic minerals and all the tools you need to learn to test, classify, and identify them!
Item#: 16615 Age: 8+
Learn where minerals are commonly found using this awesome kit!
Item#: 14261 Age: 8+
(3 customer reviews)
1 inch specimen; when light reflects just right on the polished side of the surface, brilliant rainbow color patterns will emerge.
Item#: 16646 Age: 14+
Use this fluorescent minerals collection for your next science lesson!
Item#: 14236 Age: 10+
(2 customer reviews)
Uncover the mysteries of igneous rocks with this fascinating kit!
Item#: 14161 Age: 8+
(1 customer reviews)
Keep this set of streak plates on hand for rock identification!
Item#: 14233 Age: 10+
This real-life geode is ready for you to crack open for a hands-on geology lesson!
Item#: 14200 Age: 12+
(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 garnet specimen is a great addition to any rock collection!
Item#: 14260 Age: 7+
Uncover the mysteries of sedimentary rocks with this fascinating kit!
Item#: 14159 Age: 8+
(1 customer reviews)
Learn to test, classify and identify using the tools and 15 mineral specimens included in this kit!
Item#: 13218 Age: 8+
(2 customer reviews)
This genuine meteorite is great for the rock collector in your family!
Item#: 14598 Age: 8+
(1 customer reviews)
Great gift for any occasion or for little Jimmy’s cowboy birthday party!
Item#: 11198 Age: 7+
(1 customer reviews)
Place this television TV stone on an image or printed text. WOW!
Item#: 16654 Age: 8+
An incredible geological/astronomical specimen produced under the intense conditions of meteorite impact
Item#: 16165 Age: 7+
Sample of a septarian slab mined from a concretion - a beautiful and unique geological formation
Item#: 16167 Age: 8+
A set of 40 black and 40 white streak plates! This classroom set allows you to test the hardness and streak color of a huge variety of specimens!
Item#: 16362 Age: 14+
Dendrite is a crystal that develops with a multi-branching tree-like form.
Item#: 15747 Age: 14+
Awesome item for your loved one’s office!
Item#: 11822 Age: 10+
(2 customer reviews)
Find the hidden crystals when you open your own geodes from this fun set.
Item#: 10967 Age: 10+
(3 customer reviews)
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.