xUmp.com Logo

Back To School Science Supplies Sale
Back To School Science Supplies Sale
Amazonite - Large Chunk (2-3 inch) - Image One
Share this product:

Amazonite - Large Chunk (2-3 inch)

Item#: 15758  
List Price:$9.99
Our Price: $4.99 /each
You Save: $5.00 (50%)
SOLD OUT Check back in 5 to 10 days to order this item.

Save additional 10% OFF with coupon code: BTS2018

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

Snap Circuits Motion Detector.

$24.99

Snap Circuits Motion Detector

Easily assemble a working alarm motion detector!

Y-Ball Magnetic Puzzle.

$29.99

Y-Ball Magnetic Puzzle

The Y-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!

Outdoor Hanging Galileo Thermometer.

$39.99

Outdoor Hanging Galileo Thermometer

This hanging Galileo thermometer is a gorgeous way to display the temperature outdoors!

Climate & Weather Kit.

$31

Climate & Weather Kit

With 23 hands-on experiments, you can investigate specific weather phenomena as well as the climate system in general.

Periodic Table Playing Cards.

$14.99

Periodic Table Playing Cards

The cards show the name of the element, the atomic number, group, natural state and common usages!

Glass Erlenmeyer Mug - 400ml.

$14.99

Glass Erlenmeyer Mug - 400ml

This glass Erlenmeyer mug makes an excellent gift!

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

xUmp.com Mission