When the amethyst rock is exposed to extreme heat, it turns into a burnt golden color, which is then categorized as citrine. This beautiful stone has been said to promote optimism, mental focus and self-esteem. It has been used in history as a “merchant’s stone”, where one would place it in a place of business to promote good business decisions. Get one for your home office or for the office of your breadwinner in the family today!
Please be aware that this is a natural mineral and as such each piece is one of a kind! The one you receive may not be exactly the same as the ones pictured but it will be similar. Price is per each piece.They come in irregular shapes, sizes and weights.
Use this awesome prism to teach about optics and light in the classroom setting!
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!
This kit includes several different projects that demonstrate the power of magnets!
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
The large realistic model has removable organs that can be studied and set back into the correct position.
This magic bird defies gravity before your very eyes!
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.