Mineral Specimen Images (K)

Kaliophilite: KAlSiO4  
Meionite: Ca4Al6Si6O24CO3

Comments: Tan to white fibrous kaliophilite crystal bundle with white translucent meionite on matrix.
Location: Mont Somma, Naples, Campania, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kaliophilite: KAlSiO4  
Meionite: Ca4Al6Si6O24CO3

Comments: Tan to white fibrous kaliophilite crystal bundle with white translucent meionite on matrix.
Location: Mont Somma, Naples, Campania, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kalipyrochlore: (H2O,Sr)(Nb,Ti)(O,OH)6·(H2O,K)

Comments: Opaque yellowish green to tan octahedral crystal of kalipyrochlore.
Location: Lueshe, Nord-Kivu, Zaire. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kalipyrochlore: (H2O,Sr)(Nb,Ti)(O,OH)6·(H2O,K)

Comments: Opaque yellowish green to tan octahedral crystal of kalipyrochlore.
Location: Lueshe, Nord-Kivu, Zaire. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kalsilite: KAlSiO4

Comments: Small, hair-like crystals of kalsilite on crystals of phlogopite and smaller crystals of analcime and fluorapatite.
Location: San Venanzo, Tern, Italy. Scale: Picture size 5 mm.
© John Veevaert

Kalsilite: KAlSiO4

Comments: Small, hair-like crystals of kalsilite on crystals of phlogopite and smaller crystals of analcime and fluorapatite.
Location: San Venanzo, Tern, Italy. Scale: Picture size 5 mm.
© John Veevaert

Kamacite: alpha-(Fe,Ni)  
Carlsbergite: CrN

Comments: Polished section showing a small light gray elongated inclusion of carlsbergite in massive kamacite.
Location: Kenton County meteorite, Kenton Co., Kentucky, USA. Scale: Picture size 0.08 mm.
© Thomas Witzke / Abraxas-Verlag

Kamacite: alpha-(Fe,Ni)  
Melliniite: (Ni,Fe)4P

Comments: Reflected-light image displaying an anhedral fragment of creamy-yellowish melliniite(1) associated with kamacite (2). AmMin, v91, p453.
Location: Northwest Africa 1054 acapulcoite. Scale: See Image.
© American Mineralogist

Kamacite: alpha-(Fe,Ni)  
Nickelphosphide: (Ni,Fe)3P

Comments: Small inclusion of nickelphosphide in massive kamacite.
Location: Kenton County meteorite, Kenton Co., Kentucky, USA. Scale: Picture size 0.09 mm.
© Thomas Witzke / Abraxas-Verlag

Kamacite: alpha-(Fe,Ni)  
Troilite: FeS  
Cohenite: (Fe,Ni,Co)3C  
Taenite: gamma-(Fe,Ni)

Comments: Brown masses of troilite, with white cohenite, in kamacite/taenite matrix, in meteorite (polished section).
Location: Meteor Crater, Canyon Diablo, Coconino County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kamacite: alpha-(Fe,Ni)  
Nickelphosphide: (Ni,Fe)3P

Comments: Small inclusion of nickelphosphide in massive kamacite.
Location: Kenton County meteorite, Kenton Co., Kentucky, USA. Scale: Picture size 0.09 mm.
© Thomas Witzke / Abraxas-Verlag

Kamacite: alpha-(Fe,Ni)  
Carlsbergite: CrN

Comments: Polished section showing a small light gray elongated inclusion of carlsbergite in massive kamacite.
Location: Kenton County meteorite, Kenton Co., Kentucky, USA. Scale: Picture size 0.08 mm.
© Thomas Witzke / Abraxas-Verlag

Kamacite: alpha-(Fe,Ni)  
Taenite: gamma-(Fe,Ni)  
Troilite: FeS

Comments: Polished and acid etched slice, with crust, illustrating Widmanstaaten lines, with taenite darker areas between kamacite crystals, with tarnished troilite inclusions, in fine octahedrite meteorite.
Location: Gibeon Meteorite, found 1836, Great Namaqualand, Hardap, Namibia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kamacite: alpha-(Fe,Ni)  
Melliniite: (Ni,Fe)4P

Comments: Reflected-light image displaying an anhedral fragment of creamy-yellowish melliniite(1) associated with kamacite (2). AmMin, v91, p453.
Location: Northwest Africa 1054 acapulcoite. Scale: See Image.
© American Mineralogist

Kamacite: alpha-(Fe,Ni)  
Troilite: FeS  
Cohenite: (Fe,Ni,Co)3C  
Taenite: gamma-(Fe,Ni)

Comments: Brown masses of troilite, with white cohenite, in kamacite/taenite matrix, in meteorite (polished section).
Location: Meteor Crater, Canyon Diablo, Coconino County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kamacite: alpha-(Fe,Ni)  
Taenite: gamma-(Fe,Ni)  
Troilite: FeS

Comments: Polished and acid etched slice, with crust, illustrating Widmanstaaten lines, with taenite darker areas between kamacite crystals, with tarnished troilite inclusions, in fine octahedrite meteorite.
Location: Gibeon Meteorite, found 1836, Great Namaqualand, Hardap, Namibia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kamaishilite: Ca2Al2SiO6(OH)2

Comments: Colorless crystalline massive kamaishilite.
Location: Kamaishi mine, Iwate Prefecture, Tohoku Region, Honshu Island, Japan. Scale: See Image.
© Rruff Database

Kamaishilite: Ca2Al2SiO6(OH)2

Comments: Colorless crystalline massive kamaishilite.
Location: Kamaishi mine, Iwate Prefecture, Tohoku Region, Honshu Island, Japan. Scale: See Image.
© Rruff Database

Kambaldaite: NaNi4(CO3)3(OH)3·3(H2O)

Comments: Light green kambaldaite blebs and crusts.
Location: Kambalda Nickel deposit, Kambalda, WA, Australia. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Kambaldaite: NaNi4(CO3)3(OH)3·3(H2O)

Comments: Light green kambaldaite blebs and crusts.
Location: Kambalda Nickel deposit, Kambalda, WA, Australia. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag