xUmp.com Logo

Back to Science
Save up to 75% OFF science learning materials
Amazonite - Large Chunk (2-3 inch) - Image One
Share this product:

Amazonite - Large Chunk (2-3 inch)

by xUmp.com   Item#: 15758  
List Price:$9.99
Sale Price: $4.99 /each
You Save: $5.00 (50%)
SOLD OUT Check back in 2 to 5 weeks to order this item.

This large chunk of Amazonite, 2-3 inches in diameter, is great for any mineral collection.

FOUND IN: BRAZIL, MADAGASCAR & COLORADO USA

This semi-opaque blue-green variety of feldspar is named after the Amazon River. Its bright green color comes from small quantities of lead and water in the feldspar. When polished, Amazonite is sometimes cut and used as a gemstone, although it is easily fractured.

Amazonite Specifications:

  • Color: Green, blue-green
  • Color of streak: White
  • Moh’s hardness: 6-6½
  • Specific gravity: 2.56-2.58
  • Cleavage: Perfect
  • Fracture: Uneven
  • Crystal system: Triclinic; prismatic
  • Chemical composition: K(AISi3O8) potassium aluminum silicate
  • Transparency: OPaque
  • Refractive index: 1.522-1.530
  • Double refraction: -0.008
  • Dispersion: 0.012
  • Pleochroism: None
  • Absorption spectrum: Not usable
  • Fluorescence: Weak, olive green


Age:
14 +
Box Size:
3.00 x 3.00 x 3.00 inches
7.62cm x 7.62cm x 7.62cm
Weight:
0 lb 10 oz
0.28 kg

Customer Reviews


There are no customer reviews for this product. Be the first one to write one!

FEATURED PRODUCTS

Science-Sidebar: Science Education Articles

xUmp.com Logo


Join our tribe:
At xUmp.com, we are passionate about science. We believe in hands-on learning and making science fun. - Anton Skorucak, Physicist and Founder

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.