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Chlorastrolite
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Phoenix Mine, Phoenix, Keweenaw Co., Michigan, USA
© Paul T. Brandes
| Name: | Green star stone. First discovered on Isle Royale, Lake Superior by C. T. Jackson and J. D. Whitney in 1847. | ||
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A variety of Pumpellyite-(Mg)
Chatoyant and generally exhibits a distinctive and attractive mosaic or segmented pattern, sometimes referred to as "turtleback". State gemstone of Michigan.
Originally described from Isle Royale National Park, Lake Superior, Keweenaw Co., Michigan, USA.
Visit gemdat.org for gemological information about Chlorastrolite. Currently in public beta-test.
Chatoyant and generally exhibits a distinctive and attractive mosaic or segmented pattern, sometimes referred to as "turtleback". State gemstone of Michigan.
Originally described from Isle Royale National Park, Lake Superior, Keweenaw Co., Michigan, USA.
Visit gemdat.org for gemological information about Chlorastrolite. Currently in public beta-test.
Classification of Chlorastrolite | ||||||
| mindat.org URL: | http://www.mindat.org/min-11469.html Please feel free to link to this page. | |||||
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Other Names for Chlorastrolite | ||||||
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Other Information | ||||||
| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. | |||||
References for Chlorastrolite | ||||||
| Reference List: - + | Norman King Huber(1975) The geologic story of Isle Royale National Park. United States Geological Survey Bulletin 1309 | |||||
Internet Links for Chlorastrolite | ||||||
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Localities for Chlorastrolite | ||||||
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The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the
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(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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