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Bloodstone image taken from All~That~Gifts: www.all-that-gifts. com/se/bloodstone.html. |
I was interested in this common but odd looking stone and created this website on the topic for my gemstone course at Emporia State University. The page covers bloodstone's: (a) basic properties (b) use (c) geographic location (d) common imitations (e) associated myths and facts.
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Color: Green with red dot or vine patterns
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Transparency: Opaque
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Streak Color: White
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Luster: Glassy to waxy
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Hardness: 6.5-7.0
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Crystal Habit: Massive
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Specific Gravity: 2.58-2.64
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Structure: Cryptocrystalline variety of quartz | |
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Cleavage: Absent
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Pleochroism: Absent
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Fracture: Uneven, conchoidal
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Absorption Spectrum: Not diagnostic
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Crystal System: Hexagonal
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Other characteristics: Highly sensitive to heat
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Chemical Composition: SiO2 with inclusions of hematite
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Chemical Class: Tectosilicate
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The Marytyr's Stone
Origin of Bloodstone
Image taken from
Making Magic Work:
www.amerindea.com/
gemstones02.html.
all that gifts. www.all-that-gifts.com/se/bloodstone.html, allthatgifts.com
Bloodstone. www.controversial.com/Bloodstone.htm, Controverscial.com
Chard. www.24carat.co.uk/bloodstoneframe.html, 24carat.co.uk
Gem by Gem. gemstone.org/gem-by-gem/english/bloodstone, Gemstone.org
USGS. minerals.usgs.gov/minerals/pubs/commodity/gemstones/sp14-95/chalcedony.html, USGS
Schumann, W., 1997. Gemstones of the World. Sterling Publishing Co., Inc. New York.
Wikkipedia. en.wikipedia.org/wikki/Heliotrope_%28mineral%29, Wikipedia.org
Website created April 29, 2008 by Shawn Russell. Contact me at srussell@emporia.edu for comments or questions.
Copyright 2008 Shawn Russell, all rights reserved.