Home » Minerals » Siderite

Siderite


Mineral Properties and Uses



Physical Properties of Siderite

Chemical Classification carbonate
Color yellowish, reddish, grayish, brown
Streak white
Luster vitreous
Diaphaneity transparent to translucent
Cleavage perfect
Mohs Hardness 3.5 to 4.5
Specific Gravity 3.8 to 4
Diagnostic Properties color, specific gravity, dissolves in HCl
Chemical Composition FeCO3
Crystal System hexagonal
Uses iron ore, pigments


Siderite
Siderite from Roxbury, Connecticut. Specimen is approximately 4 inches (10 centimeters) across.



Find it on Geology.com




More from Geology.com


Sliding Rocks
Sliding Rocks Mystery: What causes these rocks to slide across a Death Valley playa?
Value of Meteorites
How Much Are Meteorites Worth? Value ranges from $0.50 to $1,000 a gram.
Popigai Diamonds
The Largest Diamond Deposit in the world could be under Popigai Crater in Russia.
Diamonds from Coal
Biggest Misconception: Lots of people think that diamonds form from coal. Not True!
Asteroid Impact Map
Asteroid Impact Map: Explore fifty of the most obvious asteroid impact craters on Earth.
Pumice
Pumice is a rock formed during explosive volcanic eruptions. It has a wide variety of uses.
Plate Tectoncs
Zoom in on Plate Boundaries: See the details of plate tectonics in satellite view.
Facts About Diamonds
Interesting Facts About Diamonds: You are a diamond expert if you know all of these!


Siderite
Siderite from Roxbury, Connecticut. Specimen is approximately 3 inches (7.6 centimeters) across.




Siderite
Siderite from Roxbury, Connecticut. Specimen is approximately 4 inches (10 centimeters) across.


More Minerals
  Minerals
  Fluorescent Minerals
  Mohs Hardness Scale
  Diamond
  Diamonds Do Not Form From Coal
  Quartz
  Calcite
  United States Gemstones




© 2005-2016 Geology.com. All Rights Reserved.
Images, code, and content on this website are property of Geology.com and are protected by copyright law.
Geology.com does not grant permission for any use, republication, or redistribution.
Images, code and content owned by others are marked on the pages where they appear.