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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Slocum Stone

A variety of Opal
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A synthetically grown opal


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Unique IdentifiersHide

Mindat ID:
9829 (as Slocum Stone)
3004 (as Opal)
Long-form identifier:
mindat:1:1:9829:4 (as Slocum Stone)
mindat:1:1:3004:1 (as Opal)

Synonyms of Slocum StoneHide

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 Slocum StoneHide

References for Slocum StoneHide

Reference List:
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