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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Ruby Jack

A variety of Sphalerite
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Red variety of sphalerite.


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Unique IdentifiersHide

Mindat ID:
46585 (as Ruby Jack)
3727 (as Sphalerite)
Long-form identifier:
mindat:1:1:46585:0 (as Ruby Jack)
mindat:1:1:3727:9 (as Sphalerite)

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for Ruby JackHide

References for Ruby JackHide

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