Mineral Specimen Images (K)

Mineral Specimen Images (K)
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Mineral Specimen Images (K) With 406 Images

Kurgantaite Image

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Kurgantaite: CaSr[B5O9]Cl·(H2O)

Comments: Crystal fragment of white kurgantaite on sticky stuff.
Location: Korshunovskoye Deposit, Transbaikal, Irkutsk District, Russia. Scale: Specimen Size 6x3x2 mm.
© Sergey Vasiliev / Systematic Mineralogy

Kurgantaite Image

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Kurgantaite: CaSr[B5O9]Cl·(H2O)

Comments: Crystal fragment of white kurgantaite on sticky stuff.
Location: Korshunovskoye Deposit, Transbaikal, Irkutsk District, Russia. Scale: Specimen Size 6x3x2 mm.
© Sergey Vasiliev / Systematic Mineralogy

Kurilite Image

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Kurilite: (Ag,Au)2(Te,Se,S)  
Hessite: Ag2Te

Comments: Metallic crystal of hessite on matrix. Hessite is also known as kurilite.
Location: Botes, Zlatna, Transylvania, Romania. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Kurilite Image

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Kurilite: (Ag,Au)2(Te,Se,S)  
Hessite: Ag2Te

Comments: Metallic crystal of hessite on matrix. Hessite is also known as kurilite.
Location: Botes, Zlatna, Transylvania, Romania. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Kurnakovite Image

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Kurnakovite: MgB3O3(OH)5·5(H2O)

Comments: Chalky white outer alteration, else gray, translucent, coarsely-crystalline kurnakovite.
Location: The Open Pit, Boron, Kern Co., California, USA. Scale: 5x4x3cm.
© Tom Loomis / Dakota Matrix

Kurnakovite Image

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Kurnakovite: MgB3O3(OH)5·5(H2O)

Comments: Chalky white outer alteration, else gray, translucent, coarsely-crystalline kurnakovite.
Location: The Open Pit, Boron, Kern Co., California, USA. Scale: 5x4x3cm.
© Tom Loomis / Dakota Matrix

Kurnakovite Image

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Kurnakovite: MgB3O3(OH)5·5(H2O)

Comments: Very pale lilac-colored crystal of kurnakovite.
Location: Boron, Kramer District, Kern County, California, USA. Scale: 7.2x4x2.5 cm.
© Richard Dale / Dale Minerals

Kurnakovite Image

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Kurnakovite: MgB3O3(OH)5·5(H2O)

Comments: Very pale lilac-colored crystal of kurnakovite.
Location: Boron, Kramer District, Kern County, California, USA. Scale: 7.2x4x2.5 cm.
© Richard Dale / Dale Minerals

Kusachiite Image

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Kusachiite: CuBi2O4

Comments: Black kusachiite with blue henmilite.
Location: Fuka, Bicchu-cho, Okayama Prefecture, Japan. Scale: Picture Size 0.5 mm.
© Thomas Witzke

Kusachiite Image

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Kusachiite: CuBi2O4

Comments: Black kusachiite with blue henmilite.
Location: Fuka, Bicchu-cho, Okayama Prefecture, Japan. Scale: Picture Size 0.5 mm.
© Thomas Witzke

Kutnohorite Image

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Kutnohorite: Ca(Mn,Mg,Fe++)(CO3)2

Comments: Light-pinkish, parallel bundles of kutnohorite crystals on matrix.
Location: Wessels mine, Hotazel, Kuruman District, South Africa. Scale: 5 x 4.7 x 3 cm.
© Fabre Minerals

Kutnohorite Image

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Kutnohorite: Ca(Mn,Mg,Fe++)(CO3)2

Comments: Light-pinkish, parallel bundles of kutnohorite crystals on matrix.
Location: Wessels mine, Hotazel, Kuruman District, South Africa. Scale: 5 x 4.7 x 3 cm.
© Fabre Minerals

Kuzmenkoite-Mn Image

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Kuzmenkoite-Mn: (K,Na)2(Mn,Fe)(Ti,Nb)4[Si4O12]2(OH)4·5(H2O)  
Calciohilairite: CaZrSi3O9·3(H2O)

Comments: White rhombododecahedral crystals of calciohilairite associated with orange=brown stout prismatic kuzmenkoite-Mn on matrix.
Location: Flora Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: FOV ~1x1 cm.
© Pavel M. Kartashov

Kuzmenkoite-Mn Image

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Kuzmenkoite-Mn: (K,Na)2(Mn,Fe)(Ti,Nb)4[Si4O12]2(OH)4·5(H2O)

Comments: Yellowish brown kuzmenkoite-Mn crystals on matrix, with smaller, more brown colored labuntsovite-Mn.
Location: Mnt Flora, Lovozero, Kola, Russia. Scale: Sample Size 2x3 cm.
© Diederik Visser

Kuzmenkoite-Mn Image

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Kuzmenkoite-Mn: (K,Na)2(Mn,Fe)(Ti,Nb)4[Si4O12]2(OH)4·5(H2O)

Comments: Yellowish brown kuzmenkoite-Mn crystals on matrix, with smaller, more brown colored labuntsovite-Mn.
Location: Mnt Flora, Lovozero, Kola, Russia. Scale: Sample Size 2x3 cm.
© Diederik Visser

Kuzmenkoite-Mn Image

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Kuzmenkoite-Mn: (K,Na)2(Mn,Fe)(Ti,Nb)4[Si4O12]2(OH)4·5(H2O)  
Calciohilairite: CaZrSi3O9·3(H2O)

Comments: White rhombododecahedral crystals of calciohilairite associated with orange=brown stout prismatic kuzmenkoite-Mn on matrix.
Location: Flora Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: FOV ~1x1 cm.
© Pavel M. Kartashov

Kyanite Image

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Kyanite: Al2SiO5 = Al[6]Al[6]OSiO4

Comments: Cluster of 4, green, gemmy, fluorescent blades of kyanite.
Location: Pech, Afghanistan. Scale: 1.7 x 1.0 x 0.3 cm.
© Kieth Hayes

Kyanite Image

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Kyanite: Al2SiO5 = Al[6]Al[6]OSiO4

Comments: Two terminated, bright blue crystals of kyanite in a white quartz matrix.
Location: Barra do Salinas, Minas Gerais, Brazil. Scale: 9.5 x 4 x 4 cm.
© Isaias Casanova / IC Minerals

Kyanite Image

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Kyanite: Al2SiO5 = Al[6]Al[6]OSiO4

Comments: Cluster of 4, green, gemmy, fluorescent blades of kyanite.
Location: Pech, Afghanistan. Scale: 1.7 x 1.0 x 0.3 cm.
© Kieth Hayes

Kyanite Image

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Kyanite: Al2SiO5 = Al[6]Al[6]OSiO4

Comments: Two terminated, bright blue crystals of kyanite in a white quartz matrix.
Location: Barra do Salinas, Minas Gerais, Brazil. Scale: 9.5 x 4 x 4 cm.
© Isaias Casanova / IC Minerals
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