This large Amethyst Point, 2-3 inches in diameter, is great for any mineral collection.
This beautiful Amethyst Point formed with a group of points inside an Amethyst Geode. Amethyst is the most highly valued stone in the quartz group. It can take over 75 million years to form and can be found in geodes in alluvial deposits. The purple color is caused by ferric iron.
FOUND IN: AUSTRIA, BRAZIL, CANADA, INDIA, RUSSIA, SOUTH KOREA, URUGUAY, USA AND ZAMBIA.
Amethyst is the violet variety of quartz and a complex interplay of iron and aluminum is responsible for the color which ranges from pale pinkish lavender to deep purple. The color can fade with exposure to light. It is the birthstone of February, and a symbol of heavenly understanding.
Start a great hobby in electronics with this state of the art electronics project lab!
Command robotic creations with this cool construction kit!
A combination of three of our great discovery toys, all in one package!
With this kit, you can conduct 25 experiments to learn how an electric motor converts electricity into motion, and how an electric generator does just the opposite, converting motion into electricity.
Find the hidden crystals when you open your own geodes from this fun set.
This kit allows to build up to 3 different robots!