Dakota Matrix Minerals – Crystal and mineral specimens such as gold for the earth science student.

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Aragonite var. Floss Ferri #23290
Styria, Austria
Cooke Collection
Chemical Formula: CaCO3
Size: Sm Cabinet
Cabinet sized specimen of white stalagtitic Aragonite var. Ferri Floss.
Overall: 8 x 7 x 7 cm
Available
$50.00
$40.00
More information on Aragonite var. Floss Ferri on Webmineral.com or MinDat.org

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Muscovite - #DC24297
Branchfield Quarry, Fairfield Co., Connecticut, United States
Cooke Collection
Chemical Formula: KAl2(Si3Al)O10(OH,F)2
Size: Miniature
Silvery Muscovite in a rounded form commonly referred to as Ball Peen.
Overall: 5 x 2.5 x 4 cm
Available
$30.00
More information on Muscovite - on Webmineral.com or MinDat.org

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