1 of 13

Slide Notes

DownloadGo Live

Minerals

Published on Nov 19, 2015

No Description

View Outline

MORE DECKS TO EXPLORE

PRESENTATION OUTLINE

1.

MINERALS

BY: RACHEL SMITH
Photo by cobalt123
2.

Copper: color
Red to brown, tarnish green, sometimes also blue, brown, red, also black.

Photo by dbwilldo
3.

COPPER

  • Metallic
  • 2.5/3 hardness
  • Opaque
  • Igneous, Sedimentary, Madamorphic
Photo by JoelJohnson
4.

LIMONITE

  • Formula: Fe0 (0H). nHg0
  • Color: yellow, brown, redish-brown
  • Streak: yellow to brown
  • Hardness: 4-5.5
  • Transparency: opaque
Photo by RhyoR
5.

LIMONITE

  • Forms: does not come from crystal
  • Uses: pyrite, siderite, and Marcasite
  • Cleavage: none
  • Tenacity: brittle
Photo by smiling_da_vinci
6.

Cool fact
Limonite becomes magnetic when heated.

Photo by Remedy Loame
7.

SIDERITE

  • Formula: FeC03
  • Type: Hexagonal
  • Gravity: 3.7-3.9
  • Luster: Vitreous
  • Tenacity: brittle
Photo by Pacific Northwest National Laboratory - PNNL
8.

SIDERITE

  • Color: light to dark brown
  • Light yellow, yellow-green
  • Greenish-brown, grey
  • And white
  • Streak: white
Photo by Jeff-o-matic
9.

SIDERITE

  • Hardness: 3.5-4
  • Transparency: nearly opaque
  • Usually translucent
  • And rarely transparent
Photo by BobMacInnes
10.

Cool fact
Siderite becomes attracted to magnetic fields when heated.

Photo by Ron Schott
11.

SMITHSONITE

  • Formula: ZnCO3
  • Color: blue, green,yellow
  • Streak: white
  • Hardness: 4-5
  • Type: Hexagonal
Photo by thisisbossi
12.

SMITHSONITE

  • Luster: greasy, pearly, dull
  • Temcity: Brittle
  • Rock type: Medamorphic
Photo by hyperion327
13.

THE END

MINERALS BY: RACHEL SMITH
Photo by Jeff-o-matic

Rachel Smith