Tungsten

Tungsten is an metal alloy that is used in many ways.

By: Jack and David S.

Color

Tungsten is usually silver it can range from; Gray Dark Gray Silver Platinum (Color)

Streak

Tungsten does not have a streak because it is a metal. But it does when mixed with other materials.

Luster

Tungsten has a shiny metallic luster.

Hardness

Tungsten is a 7.5-8 on the Moh’s Hardness Scale.

Harder;TopazCorundum

Softer;FeldsparApatite

Cleavage of Tungsten

Tungsten is found mostly in four different ores: scheelite, wolframite, ferberite, and huebnerite. Of these four, wolframite is the principal ore for tungsten and the only one not too brittle to measure its cleavage.

The cleavage of wolframite is perfect, numerically noted as (010), and indicates that wolframite breaks cleanly in one direction.

From http://www.ask.com/question/what-is-the-streak-of-tungsten

Crystal Shape

Tungsten does not have a crystal shape. it is a metal not a crystal.

Where Tungsten is found47% of Tungsten is found in China

Uses

Tank armor Jewelry Anti-tank weapons High speed tools Car parts

SOURCES

http://www.ask.com/question/what-is-the-streak-of-tungsten

http://chemistry.about.com/od/elementfacts/a/tungstenwolfram.htm

http://www.larsonjewelers.com/Tungsten-Cobalt-and-More-on-Mohs-Scale-of-Mineral-Hardness.aspx

http://minerals.usgs.gov/minerals/pubs/commodity/tungsten/stat/