Checkout

0 item @ $0.00

Home | My Cart | Login | Register

Recently Released New Additions

Hide Solds

Mixed Minerals

Sunday, 21 May 2023 05:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including spinel, stichtite, strunzite, svanbergite, swedenborgite, and sweetite and more from places like Mogok, Sagaing dist, Mandalay Division, Myanmar, Barberton dist., Mpumalanga prov., South Africa, Foote mine, Cleveland Co., North Carolina, United States, Brumado, Bahia, Brazil, Långban, Filipstad, Värmland, Sweden, and Milltown quarry, Milltown, Ashover, Derbyshire, England.

SOLD

Spinel

#BAC61711

Details
Data
Provenance
Resources

Locality: Mogok, Sagaing dist, Mandalay Division, Myanmar
Formula: MgAl₂O₄
Availability: Sold
Size: 1 x 0.9 x 0.4 cm - Thumbnail

An outstanding gemmy twinned Spinel crystal.

Spinel

Formula: MgAl₂O₄
Crystal System: Isometric
Crystal Habit: Euhedral Crystals, Massive - Granular
Cleavage: None, None, None
Luster: Vitreous (Glassy)
Color: colorless, red, blue, green, brown
Streak: grayish white
Class: Isometric - Hexoctahedral
Fracture: Uneven
Hardness: 8

Collection: William & Anne Cook Collection

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

SOLD

Stichtite

#BAC61698

Details
Data
Provenance
Resources

Locality: Barberton dist., Mpumalanga prov., South Africa
Formula: Mg₆Cr₂CO₃(OH)₁₆·4H₂O
Availability: Sold
Size: 2 x 2 x 1.2 cm - Thumbnail
Tagged: carbonate
Special Info: Type Locality

Purple platy mass of compact crystals.

Stichtite

Formula: Mg₆Cr₂CO₃(OH)₁₆·4H₂O
Crystal System: Trigonal
Crystal Habit: Encrustations, Nodular, Micaceous
Cleavage: Perfect, None, None
Luster: Vitreous (Glassy)
Color: lilac, light violet, pink
Streak: pale violet blue
Class: Trigonal - Hexagonal Scalenohedral
Fracture: Uneven
Hardness: 1.5-2

Collection: William & Anne Cook Collection
Special Info: Type Locality

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

Strunzite

#BAC61694

$65.00 - Available
Details
Add to Cart
Add to Favorites

Details
Data
Provenance
Resources

Locality: Foote mine, Cleveland Co., North Carolina, United States
Formula: Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂·6H₂O
Availability: Available
Price: $65.00
Size: 7 x 4.5 x 2 cm - Sm Cabinet
Tagged: phosphate , pegmatite mineral

Fibrous crystals to 1cm.

Strunzite

Formula: Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂·6H₂O
Crystal System: Triclinic
Crystal Habit: Acicular, Lath
Cleavage: Good, None, None
Luster: Vitreous (Glassy)
Color: brownish yellow, golden yellow, straw yellow
Streak: light yellow
Class: Triclinic - Pinacoidal
Hardness: 4

Collection: William & Anne Cook Collection

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

SOLD

Svanbergite

on Uvite - #BAC61702

Details
Data
Provenance
Resources

Locality: Brumado, Bahia, Brazil
Formula: SrAl₃(SO₄)(PO₄)(OH)₆
Availability: Sold
Size: 1.5 x 1.5 x 1 cm - Thumbnail
Tagged: phosphate

Salmon colored rhombic crystals from 1 to 2mm on dark green crystals of Uvite. Svanbergite is the only recorded strontium phosphate.

Svanbergite

Formula: SrAl₃(SO₄)(PO₄)(OH)₆
Crystal System: Trigonal
Crystal Habit: Rhombohedral Crystals, Pseudo Cubic, Massive - Granular
Cleavage: Distinct, None, None
Luster: Vitreous - Adamantine
Color: colorless, yellow, pink, reddish brown
Streak: white
Class: Trigonal - Hexagonal Scalenohedral
Hardness: 5

Collection: William & Anne Cook Collection

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

Swedenborgite

#BAC61681

$550.00 - Available
Details
Add to Cart
Add to Favorites

Details
Data
Provenance
Resources

Locality: Långban, Filipstad, Värmland, Sweden
Formula: NaBe₄Sb⁵⁺O₇
Availability: Available
Price: $550.00
Size: 6.5 x 5 x 5.5 cm - Sm Cabinet
Tagged: beryllium
Special Info: Fluorescent
Special Info: Type & Only Locality

A superb 2mm hexagonal crystal showing good prism pyramidal faces and flat termination. It displays intensely red (LW) and blue (SW) fluorescence. Swedenborgite is a one locality mineral.

Swedenborgite

Formula: NaBe₄Sb⁵⁺O₇
Crystal System: Hexagonal
Cleavage: Distinct, None, None
Luster: Vitreous (Glassy)
Color: brownish yellow, colorless, honey yellow, light yellow
Streak: white
Class: Hexagonal - Dihexagonal Pyramidal
Fracture: Sub Conchoidal
Hardness: 8

Collection: William & Anne Cook Collection
Special Info: Fluorescent
Special Info: Type & Only Locality

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

SOLD

Sweetite

with Ashoverite - #BAC61682

Details
Data
Provenance
Resources

Locality: Milltown quarry, Milltown, Ashover, Derbyshire, England
Formula: Zn(OH)₂
Availability: Sold
Size: 4.5 x 3 x 2.5 cm - Miniature

Beige prismatic crystals less than 0.5 mm with colorless, thin plates of Ashoverite. Excellent combination specimen of two very rare minerals. Also in association Calcite, Baryte, and Fluorite.

Sweetite

Formula: Zn(OH)₂
Crystal System: Tetragonal
Color: colorless, white
Streak: white
Class: Tetragonal - Trapezohedral
Hardness: -

Collection: William & Anne Cook Collection

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

New Minerals

Daily Five Minerals

Special Editions
by Mineral Gallery

All Mineral Specimens
A to Z

Searches

Searches

Recently Released New Additions

Mixed Minerals