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Mixed Minerals

Sunday, 24 July 2022 07:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including benitoite, boleite, calcite, crocoite, diopside, and dioptase and more from places like New Idria mine, New Idria dist., San Benito Co., California, United States, Amelia mine, Boleo, Santa Rosalia, Baja California, Mexico, Mariposa mine, Terlingua dist., Brewster Co., Texas, United States, Berezovskoe Au dep., Berezovskii, Sverdlovskaya Oblast', Urals, Russia, Prabornaz mine, Saint-Marcel, Aosta Valley, Italy, and Tsumeb mine, Tsumeb, Namibia.

SOLD

Benitoite - WR58866

Benitoite - WR58866

Benitoite

#WR58866

Details
Data
Provenance
Resources

Locality: New Idria mine, New Idria dist., San Benito Co., California, United States
Formula: BaTiSi₃O₉
Availability: Sold
Size: 5 x 4 x 2.5 cm - Miniature

A 10 and 6mm gemmy blue Benitoite crystals.

Benitoite

Formula: BaTiSi₃O₉
Crystal System: Hexagonal
Crystal Habit: Tabular
Cleavage: Poor, None, None
Luster: Vitreous (Glassy)
Color: blue, purple, pink, white, colorless
Streak: white
Class: Hexagonal - Ditrigonal Dipyramidal
Fracture: Conchoidal
Hardness: 6-6.5

Collection: Willard L. Roberts Collection

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

SOLD

Boleite - WR58871

Boleite - WR58871

Boleite

#WR58871

Details
Data
Provenance
Resources

Locality: Amelia mine, Boleo, Santa Rosalia, Baja California, Mexico
Formula: KAg₉Pb₂₆Cu₂₄Cl₆₂(OH)₄₈
Availability: Sold
Size: 0.5 x 0.5 x 0.5 cm - Thumbnail
Tagged: copper , silver

A 5mm cubic crystal.

Boleite

Formula: KAg₉Pb₂₆Cu₂₄Cl₆₂(OH)₄₈
Crystal System: Isometric
Crystal Habit: Pseudo Cubic
Cleavage: Perfect, Good, None
Luster: Vitreous - Pearly
Color: indigo blue, light blue
Streak: light green
Class: Isometric - Hexoctahedral
Fracture: Uneven
Hardness: 3-3.5

Collection: Willard L. Roberts Collection

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

Calcite - 52538

Calcite - 52538

Calcite

#52538

$60.00 - Available
Details
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Details
Data
Provenance
Resources

Locality: Mariposa mine, Terlingua dist., Brewster Co., Texas, United States
Formula: CaCO₃
Availability: Available
Price: $60.00
Size: 5.5 x 4.5 x 2 cm - Sm Cabinet
Tagged: carbonate

Orange scalenohedral crystals of sharply terminated Calcite.

Calcite

Formula: CaCO₃
Crystal System: Trigonal
Crystal Habit: Crystalline - Coarse, Stalactitic, Massive
Cleavage: Perfect, Perfect, Perfect
Luster: Vitreous (Glassy)
Color: colorless, white, pink, yellow, brown
Streak: white
Class: Trigonal - Hexagonal Scalenohedral
Fracture: Brittle - Conchoidal
Hardness: 3

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

SOLD

Crocoite - 58853

Crocoite - 58853

Crocoite

#58853

Details
Data
Provenance
Resources

Locality: Berezovskoe Au dep., Berezovskii, Sverdlovskaya Oblast', Urals, Russia
Formula: PbCrO₄
Availability: Sold
Size: 4 x 3.5 x 3.5 cm - Miniature

Red, prismatitc crystals of Crocoite to 1cm. One crystal is nicely terminated.

Crocoite

Formula: PbCrO₄
Crystal System: Monoclinic
Crystal Habit: Crystalline - Coarse, Massive - Granular, Acicular
Cleavage: Distinct, Indistinct, Indistinct
Luster: Adamantine
Color: yellow, orange, red, red orange
Streak: yellowish orange
Class: Monoclinic - Prismatic
Fracture: Sectile
Hardness: 2.5-3

Collection: Don Cooke Collection

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

SOLD

Diopside - BW58851

Diopside - BW58851

Diopside

var. violane - #BW58851

Details
Data
Provenance
Resources

Locality: Prabornaz mine, Saint-Marcel, Aosta Valley, Italy
Formula: CaMgSi₂O₆
Availability: Sold
Size: 8 x 4.5 x 4.5 cm - Sm Cabinet

This is a rare color variety of Diopside called "violane". Apparently the color is due to a little manganese in the structure.

Diopside

Formula: CaMgSi₂O₆
Crystal System: Monoclinic
Crystal Habit: Prismatic, Blocky, Granular
Cleavage: Good, Indistinct, None
Luster: Vitreous (Glassy)
Color: blue, brown, colorless, green, gray
Streak: white green
Class: Monoclinic - Prismatic
Fracture: Brittle - Conchoidal
Hardness: 6

Collection: Bill Wilson Collection

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

Dioptase - WR58870

Dioptase - WR58870

Dioptase

#WR58870

$45.00 - Available
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Details
Data
Provenance
Resources

Locality: Tsumeb mine, Tsumeb, Namibia
Formula: CuSiO₃·H₂O
Availability: Available
Price: $45.00
Size: 3 x 2.5 x 2 cm - Thumbnail
Tagged: copper

Nice coverage of sparkly green Dioptase crystals to 2m.

Dioptase

Formula: CuSiO₃·H₂O
Crystal System: Trigonal
Crystal Habit: Massive, Cryptocrystalline, Crystalline - Coarse
Cleavage: Good, None, None
Luster: Vitreous (Glassy)
Color: dark blue green, emerald green, turquoise
Streak: green
Class: Trigonal - Rhombohedral
Fracture: Conchoidal
Hardness: 5

Collection: Willard L. Roberts Collection

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

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