Calcite (hand specimen)
|
Rating |
|
|
Name |
Calcite (hand specimen) |
|
Type |
Mineral |
|
Chemical Formula |
CaCO3 |
|
Crystal System |
Prisms, rhombohedrons, or scalenohedrons that break into rhombohedrons |
|
Common Forms/Occurences |
Found in limestone, chalk, travertine, and onyx |
|
Colour |
Usually colourless, white, or yellow, but may be green, brown, or pink |
|
Streak |
White |
|
Lustre |
Nonmetallic (NM) |
|
Cleavage |
Excellent in 3 directions not at 90° |
|
Fracture |
Conchoidal; Brittle |
|
Hardness |
3 |
|
Specific Gravity |
2.7 |
|
Useful Identification Test |
Effervesces in dilute HCl |
|
Common Uses |
To make antacid tablets, fertilizer, cement; Ore of Calcium |
|
Thin Section URL |
http://digicon.athabascau.ca/u?/RM,135 |
|
Subject |
Minerals; Rocks; Identification photographs; Geology; |
|
Date |
2008 |
|
Language |
en |
|
Format |
image/jpeg |
|
Resource Type |
image; stillimage |
|
Identifier |
rm0026 |
|
Collection Title |
Rock and Mineral Samples |
|
Repository |
AU Digital Library |
|
Rights |
Subject to the Copyright Act |
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