John Betts - Fine Minerals's Image Gallery

John Betts - Fine Minerals's Image Gallery
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John Betts - Fine Minerals's Image Gallery With 178 Images

Raite Image

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Raite: Na4Mn++4Si8(O,OH)24·9(H2O)

Comments: Golden raite crystals up to 2 mm long filling cavities in white microcline with minor lomonosovite and natrolite.
Location: Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: 7x4x3 cm.
© John Betts - Fine Minerals

Raite Image

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Raite: Na4Mn++4Si8(O,OH)24·9(H2O)

Comments: Golden raite crystals up to 2 mm long filling cavities in white microcline with minor lomonosovite and natrolite.
Location: Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: 7x4x3 cm.
© John Betts - Fine Minerals

Ramsdellite Image

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Ramsdellite: MnO2

Comments: Large mass of radiating ramsdellite crystals with terminated crystals.
Location: Lake Valley District, Sierra Co., New Mexico, USA. Scale: 11x10x8 cm.
© John Betts - Fine Minerals

Ramsdellite Image

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Ramsdellite: MnO2

Comments: Large mass of radiating ramsdellite crystals with terminated crystals.
Location: Lake Valley District, Sierra Co., New Mexico, USA. Scale: 11x10x8 cm.
© John Betts - Fine Minerals

Rectorite Image

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Rectorite: (Na,Ca)Al4(Si,Al)8O20(OH)4·2(H2O)

Comments: Blue Mountain District, Marble Township, Garland Co., Arkansas, USA.
Location: Five pieces of leather-like fragments of rectorite in twisted, irregular shapes. Scale: Specimen size 1-4 cm.
© John Betts - Fine Minerals

Rectorite Image

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Rectorite: (Na,Ca)Al4(Si,Al)8O20(OH)4·2(H2O)

Comments: Blue Mountain District, Marble Township, Garland Co., Arkansas, USA.
Location: Five pieces of leather-like fragments of rectorite in twisted, irregular shapes. Scale: Specimen size 1-4 cm.
© John Betts - Fine Minerals

Saponite Image

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Saponite: (Ca/2,Na)0,3(Mg,Fe++)3(Si,Al)4O10(OH)2·4(H2O)

Comments: Light brown saponite pseudomorphs after stilbite crystals up to 6 mm.
Location: Thetford Mines, Mégantic Co., Québec, Canada. Scale: 25x25x12 mm.
© John Betts - Fine Minerals

Saponite Image

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Saponite: (Ca/2,Na)0,3(Mg,Fe++)3(Si,Al)4O10(OH)2·4(H2O)

Comments: Light brown saponite pseudomorphs after stilbite crystals up to 6 mm.
Location: Thetford Mines, Mégantic Co., Québec, Canada. Scale: 25x25x12 mm.
© John Betts - Fine Minerals

Sapphirine Image

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Sapphirine: (Mg,Al)8(Al,Si)6O20

Comments: Large complex crystalline cluster of dark blue to black sapphirine.
Location: Betroka district, Toliara (Tuléar) Province, Madagascar. Scale: 15x14x10 mm.
© John Betts - Fine Minerals

Sapphirine Image

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Sapphirine: (Mg,Al)8(Al,Si)6O20

Comments: Large complex crystalline cluster of dark blue to black sapphirine.
Location: Betroka district, Toliara (Tuléar) Province, Madagascar. Scale: 15x14x10 mm.
© John Betts - Fine Minerals

Sellaite Image

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Sellaite: MgF2

Comments: Compact, white acicular sellaite crystals.
Location: Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany. Scale: 21x16x10 mm.
© John Betts - Fine Minerals

Sellaite Image

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Sellaite: MgF2

Comments: Compact, white acicular sellaite crystals.
Location: Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany. Scale: 21x16x10 mm.
© John Betts - Fine Minerals

Staurolite Image

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Staurolite: (Fe++,Mg)2Al9(Si,Al)4O20(O,OH)4

Comments: Cruciform twinned staurolite crystals without matrix.
Location: Marble, Cherokee Co., North Carolina, USA. Scale: 3x2.5x1.5 cm.
© John Betts - Fine Minerals

Staurolite Image

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Staurolite: (Fe++,Mg)2Al9(Si,Al)4O20(O,OH)4

Comments: Cruciform twinned staurolite crystals without matrix.
Location: Marble, Cherokee Co., North Carolina, USA. Scale: 3x2.5x1.5 cm.
© John Betts - Fine Minerals

Stellerite Image

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Stellerite: CaAl2Si7O18·7(H2O)

Comments: Hemispherical crystal cluster 35 mm diameter of white stellerite crystals in a pocket lined with drusy quartz.
Location: Pune (Poonah), Maharashtra, India. Scale: 13x7x5 cm.
© John Betts - Fine Minerals

Stellerite Image

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Stellerite: CaAl2Si7O18·7(H2O)

Comments: Hemispherical crystal cluster 35 mm diameter of white stellerite crystals in a pocket lined with drusy quartz.
Location: Pune (Poonah), Maharashtra, India. Scale: 13x7x5 cm.
© John Betts - Fine Minerals

Stichtite Image

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Stichtite: Mg6Cr2(CO3)(OH)16·4(H2O)

Comments: Massive, fibrous, lavender-purple stichtite.
Location: Kaapsche Hoop, Barberton District, Mpumalanga Province, South Africa. Scale: 5x3x2 cm.
© John Betts - Fine Minerals

Stichtite Image

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Stichtite: Mg6Cr2(CO3)(OH)16·4(H2O)

Comments: Massive, fibrous, lavender-purple stichtite.
Location: Kaapsche Hoop, Barberton District, Mpumalanga Province, South Africa. Scale: 5x3x2 cm.
© John Betts - Fine Minerals

Strontianite Image

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Strontianite: SrCO3

Comments: Lustrous, white strontianite crystals covering all sides of matrix. The strontianite fluoresces bright blue-white under UV illumination.
Location: Lime City Quarry, Lime City, Wood Co., Ohio, USA. Scale: 6x5x4 cm.
© John Betts - Fine Minerals

Strontianite Image

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Strontianite: SrCO3

Comments: Lustrous, white strontianite crystals covering all sides of matrix. The strontianite fluoresces bright blue-white under UV illumination.
Location: Lime City Quarry, Lime City, Wood Co., Ohio, USA. Scale: 6x5x4 cm.
© John Betts - Fine Minerals
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