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Minerals

Published on Nov 18, 2015

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PRESENTATION OUTLINE

1.

GALENA

2.

LUSTER

  • Metallic.
  • Turns dull after exposure to air.
3.

COLOR

GALENA HAS A STRIKING STEEL GRAY THAT TURNS DARKER OVER TIME
4.

CHEMICAL CLASSIFICATION

sulide
5.

TENACITY

BRITTLE
6.

STREAK

STREAK FOR GALENA IS GRAY
7.

HARDNESS

HARDNESS OF GALENA IS 2
Photo by yaiba0390
8.

SOURCES

9.

ABOUT

  • Brittle
  • Nonmagnetic
10.

FORMULA

  • PbS
11.

USES

  • Galena is used as lead ore
  • Galena is used in materials such as bullets, gasoline, batteries, and paint.
12.

TRANAPARENCY

OPAQUE
13.

GRAVITY

7.2-7.6
14.

GROUP

GALENA IS A MEMBER OF THE GALENA GROUP

Cody SaavedrA