Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load. These mineral photos are copyrighted by their owners and may not be used without permission.
Kaliborite: KHMg2B12O16(OH)10·4(H2O)
Comments: Translucent colorless crystal of kaliborite. Location: Lake Inder, Atyrau, Kazakhstan. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Kalicinite: KHCO3
Comments: Tan crystalline kalicinite on bobierrite. Location: Khibiny Massif, Kola Peninsula, Russia. Scale: Picture Size 5 mm. © 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
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
Kamiokite: Fe2Mo3O8
Comments: Dull dark gray-black sectile massive kamiokite. Location: Krupka, Severocesky, Czech Republic. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Kamitugaite: PbAl(UO2)5(PO4)2(OH)9·9.5(H2O)
Comments: Yellow crystalline kamitugaite on matrix. Location: Kobokobo pegmatite, Lusungu River District, Sud-Kivu, Democratic Republic of Congo (Zaïre). Scale: Picture Size 0.7 cm. © Jeff Weissman / Photographic Guide to Mineral Species
Kanemite: NaHSi2O5·3(H2O)
Comments: Yellowish white translucent micro spherical aggregate of kanemite. Location: Kanem, Chad. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Kanoite: (Mn++,Mg)2Si2O6
Comments: Brown, prismatic crystals of kanoite in matrix. Location: Tatehira, Oshima Peninsula, Hokkaido, Japan. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Kanonaite: (Mn+++,Al)AlSiO5
Comments: Dark greenish black microcrystal of kanonaite in matrix. Location: Le Coreaux, near Salmchateau, Luxembourg, Belgium. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species