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

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Adamite (Cuprian) #26761
San Rafael mine, Nye Co., Nevada, United States
Chemical Formula: Zn2(AsO4)(OH)
Size: Miniature
Deep emerald green Adamite to 1-2mm with good coverage. Perhaps some of the best from this locality.
Overall: 4 x 3 x 2.5 cm
Sold
$40.00
More information on Adamite (Cuprian) on Webmineral.com or MinDat.org


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Adamite (Cuprian) #GJ22919
San Rafael mine, Nye Co., Nevada, United States
Chemical Formula: Zn2(AsO4)(OH)
Size: Sm Cabinet
Light green Cuprian Adamite crystals in flower-like clusters to 4mm on matrix.
Overall: 5.5 x 2 x 4.5 cm
Available
$30.00
More information on Adamite (Cuprian) on Webmineral.com or MinDat.org
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Adamite - (cuprian) #24513
San Rafael mine, Nye Co., Nevada, United States
Chemical Formula: Zn2(AsO4)(OH)
Size: Cabinet
Larger specimen with good coverage of bluish green cuprian Adamite crystals less than 0.5mm.
Overall: 11 x 7 x 5 cm
Sold
$55.00
$50.00
More information on Adamite - (cuprian) on Webmineral.com or MinDat.org


Agardite - (Ce) #17241
Majuba Hill Mine, Pershing Co., Nevada, United States
Chemical Formula: CaCu6(AsO4)3(OH)6•3(H2O)
Size: Thumbnail
Pale green tuffs of fine acicular Agardite - (Ce) to <0.5mm on Quartz matrix.
Overall: 3 x 1.5 x 2 cm
Available
$30.00
$25.00
More information on Agardite - (Ce) on Webmineral.com or MinDat.org
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Andradite #24266
Nightingale district, Pershing Co., Nevada, United States
New Find!!
Chemical Formula: Ca3Fe+++2(SiO4)3
Size: Miniature
Lustrous red Andradite Garnets to 8mm clustered together and embedded in matrix. Nice smaller matrix piece with well formed striated crystals.
Overall: 5 x 4 x 4.5 cm
Available
$55.00
More information on Andradite on Webmineral.com or MinDat.org
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Andradite #25096
Nightingale district, Pershing Co., Nevada, United States
Chemical Formula: Ca3Fe+++2(SiO4)3
Size: Sm Cabinet
Large matrix piece with intergrown deep cherry-red Andradite Garnets to 1.5cm.
Overall: 6.5 x 5 x 6 cm
Sold
$45.00
More information on Andradite on Webmineral.com or MinDat.org

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