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Mixed Minerals

Sunday, 26 February 2023 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including acanthite, anglesite, beudantite, munakataite, owyheeite, and rapidcreekite and more from places like Uchucchacua mine, Oyon prov., Lima dept., Peru, Monteponi mine, Iglesias, Sardinia, Italy, Kamariza mine, Laurium, Greece, Otto Mountain, near Baker, San Bernardino Co., California, Silver Leaf mine, Covada dist., Ferry Co., Washington, United States, and Rapid Creek, Yukon Territory, Canada.

Acanthite

with Silver - #61008

$150.00 - Available
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Locality: Uchucchacua mine, Oyon prov., Lima dept., Peru
Formula: Ag₂S
Availability: Available
Price: $150.00
Size: 5 x 2.5 x 3 cm - Miniature
Tagged: sulfide , silver

Dull grey, large bleb-like crystals of Acanthite with curled Silver wires.

Acanthite

Formula: Ag₂S
Crystal System: Monoclinic
Crystal Habit: Blocky, Skeletal, Arborescent
Cleavage: poor to none
Luster: Metallic
Color: lead gray, gray, iron black
Streak: shining black
Class: Monoclinic - Prismatic
Fracture: Sectile
Hardness: 2-2.5

Mineralpedia: View Acanthite
On Dakota Matrix: Previously Sold Acanthite
On Dakota Matrix: Other Available Acanthite
WebMineral: View Acanthite
Mindat: View Acanthite

Anglesite

#60940

$195.00 - Available
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Locality: Monteponi mine, Iglesias, Sardinia, Italy
Formula: PbSO₄
Availability: Available
Price: $195.00
Size: 4.5 x 5.5 x 4 cm - Sm Cabinet

Textbook Anglesite crystals with striations along the 101 faces and long sloping terminations coming to a chisel point. The largest crystal to 1.3cm with numerous other crystals from 2 to 7mm. The color is a translucent yellowish tan with smoky tips. The overall pocket is 4 x 3.5cm on a Galena matrix. Excellent specimen formerly of ShelterRockMinerals (Terry Szenics).

Anglesite

Formula: PbSO₄
Crystal System: Orthorhombic
Crystal Habit: Granular, Stalactitic
Cleavage: Good, Distinct, None
Luster: Adamantine
Color: blue, colorless, green, gray, yellow
Streak: white
Class: Orthorhombic - Dipyramidal
Fracture: Brittle - Conchoidal
Hardness: 2.5-3

Mineralpedia: View Anglesite
On Dakota Matrix: Previously Sold Anglesite
On Dakota Matrix: Other Available Anglesite
WebMineral: View Anglesite
Mindat: View Anglesite

Beudantite

#60983

$45.00 - Available
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Locality: Kamariza mine, Laurium, Greece
Formula: PbFe³⁺₃(AsO₄)(SO₄)(OH)₆
Availability: Available
Price: $45.00
Size: 6 x 3.5 x 3.5 cm - Sm Cabinet
Tagged: arsenate

Sparkly reddish brown micro crystals less than 0.5mm on Galena and jasperoidal matrix.

Beudantite

Formula: PbFe³⁺₃(AsO₄)(SO₄)(OH)₆
Crystal System: Trigonal
Crystal Habit: Blocky - Rhombohedral, Druse, Platy
Cleavage: Perfect, None, None
Luster: Adamantine
Color: brown, green, yellow, dark green, orange
Streak: greenish yellow
Class: Trigonal - Hexagonal Scalenohedral
Fracture: Brittle
Hardness: 4

Mineralpedia: View Beudantite
On Dakota Matrix: Previously Sold Beudantite
On Dakota Matrix: Other Available Beudantite
WebMineral: View Beudantite
Mindat: View Beudantite

SOLD

Munakataite

#60960

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Locality: Otto Mountain, near Baker, San Bernardino Co., California
Formula: Pb₂Cu₂(Se⁴⁺O₃)SO₄(OH)₄
Availability: Sold
Size: 2 x 1.7 x 1.2 cm - Thumbnail
Tagged: copper , selenium

Bundles of blue cystals in groups to 0.75mm with a host of other minerals.

Munakataite

Formula: Pb₂Cu₂(Se⁴⁺O₃)SO₄(OH)₄
Crystal System: Monoclinic
Crystal Habit: Aggregates
Cleavage: Perfect, None, None
Luster: Vitreous - Pearly
Color: light blue
Streak: bluish white
Class: Monoclinic - Prismatic
Fracture: Brittle
Hardness: 1.5

On Dakota Matrix: Previously Sold Munakataite
On Dakota Matrix: Other Available Munakataite
WebMineral: View Munakataite
Mindat: View Munakataite

SOLD

Owyheeite

#BAC61141

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Locality: Silver Leaf mine, Covada dist., Ferry Co., Washington, United States
Formula: Ag₃Pb₁₀Sb₁₁S₂₈
Availability: Sold
Size: 5.5 x 5 x 4.5 cm - Sm Cabinet
Tagged: sulfide , silver

This is one of the better Owyheeite specimens I have seen. I am sure there are better ones in private collections. This piece contains filliform silvery crystals draped over and free-standing on clear Quartz. The coverage is over an area of 2x1cm.