Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Hawk's Eye

A synonym of 'Falcon's Eye'
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Synonym:
A synonym of 'Falcon's Eye'
Dark blue, silicified crocidolite from Griqualand, South Africa. Essentially blue tigereye.

Visit gemdat.org for gemological information about Hawk's Eye.



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Unique IdentifiersHide

Mindat ID:
38867 (as Hawk's Eye)
38866 (as Falcon's Eye)
3960 (as Tiger's Eye)
Long-form identifier:
mindat:1:1:38867:6 (as Hawk's Eye)
mindat:1:1:38866:7 (as Falcon's Eye)
mindat:1:1:3960:0 (as Tiger's Eye)

Internet Links for Hawk's EyeHide

References for Hawk's EyeHide

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