xUmp.com Logo

TODAY'S COUPON: SAVE ADDITIONAL 10% OFF with coupon code: BACK2SCHOOL2019 [Expires tonight at 11:59PM. Online orders only.]
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 5 to 10 days 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

Glass Erlenmeyer Mug - 400ml.

$14.99

Glass Erlenmeyer Mug - 400ml

This glass Erlenmeyer mug makes an excellent gift!

Electromagnet Set.

$36.99

Electromagnet Set

Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!

Caffeine Glass Beaker Mug.

$14.99

Caffeine Glass Beaker Mug

This caffeine molecule mug makes an excellent gift!

Winsco Van de Graaff Generator.

$699.99

Winsco Van de Graaff Generator

Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!

Orbiter.

$149

Orbiter

Working model representing the sun, earth, and moon and their relationships.

Maxwells Wheel - Large.

$39.99

Maxwells Wheel - Large

This classic device is used to demonstrate the conservation of mechanical energy.

xUmp.com Logo


Join our tribe:

SIGN-UP & SAVE

Sign-up for our weekly discounts and promotions email newsletter.



xUmp.com Catalog

CATALOG

View xUmp science supplies catalog

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.