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Icelandic Spar
Geoscience Australia
Symonston, Australia
Formula: CaCO3
Hardness: 3
Description: Calcite has a regular cleavage at 60° and 120° resulting in beautiful rhombic crystals. Some clear calcite samples (known as Icelandic Spars) have the ability to split light passing through them (double refraction) producing a double image.
Specimen number: U046
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Details
- Title: Icelandic Spar
- Type: Mineral
- Rights: Geoscience Australia / CC-BY 4.0
- Photographer: Chris Fitzgerald
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