Jade by James St. John ● portfotolio

James St. John: Purple jade (metaphonolite) (Paleozoic or Mesozoic protolith; Late Cretaceous metamorphism, 80 Ma; paleoclast in Middle Miocene debris flow breccia; Bursa Province, Turkey)

James St. John: Jadeitite (jadeite jade) (Hpakan-Tawmaw Jade Tract, Hpakan Ultramafic Body, Naga-Adaman Ophiolite, Late Jurassic, 147 Ma; alluvial clast (placer jade) in the upper reaches of the Uyu River, Kachin State, Indo-Burma Range, Burma) 1

James St. John: Jadeitite (jadeite jade) (Hpakan-Tawmaw Jade Tract, Hpakan Ultramafic Body, Naga-Adaman Ophiolite, Late Jurassic, 147 Ma; alluvial clast (placer jade) in the upper reaches of the Uyu River, Kachin State, Indo-Burma Range, Burma) 2

James St. John: Jadeitite (jadeite jade) (Hpakan-Tawmaw Jade Tract, Hpakan Ultramafic Body, Naga-Adaman Ophiolite, Late Jurassic, 147 Ma; alluvial clast (placer jade) in the upper reaches of the Uyu River, Kachin State, Indo-Burma Range, Burma) 3

James St. John: Lavender jadeitite (jadeite jade) (Hpakan-Tawmaw Jade Tract, Hpakan Ultramafic Body, Naga-Adaman Ophiolite, Late Jurassic, 147 Ma; alluvial clast (placer jade), upper reaches of the Uyu River, Kachin State, Indo-Burma Range, Burma) 1

James St. John: Lavender jadeitite (jadeite jade) (Hpakan-Tawmaw Jade Tract, Hpakan Ultramafic Body, Naga-Adaman Ophiolite, Late Jurassic, 147 Ma; alluvial clast (placer jade), upper reaches of the Uyu River, Kachin State, Indo-Burma Range, Burma) 2

James St. John: Lavender jadeitite (jadeite jade) (Hpakan-Tawmaw Jade Tract, Hpakan Ultramafic Body, Naga-Adaman Ophiolite, Late Jurassic, 147 Ma; alluvial clast (placer jade), upper reaches of the Uyu River, Kachin State, Indo-Burma Range, Burma) 3

James St. John: Mawsitsit (chromian jade) (Namshamaw Deposit, Hpakan-Tawmaw Jade Tract, Late Jurassic, 147 Ma; Maw Sit Sit, near Kansi, western Kachin State, Indo-Burma Range, northern Burma) 2

James St. John: Mawsitsit (chromian jade) (Namshamaw Deposit, Hpakan-Tawmaw Jade Tract, Late Jurassic, 147 Ma; Maw Sit Sit, near Kansi, western Kachin State, Indo-Burma Range, northern Burma) 3

James St. John: Mawsitsit (chromian jade) (Namshamaw Deposit, Hpakan-Tawmaw Jade Tract, Late Jurassic, 147 Ma; Maw Sit Sit, near Kansi, western Kachin State, Indo-Burma Range, northern Burma) 1

James St. John: Green nephrite jade ventifact (Precambrian; Crooks Mountain, Fremont County, Wyoming, USA) 1

James St. John: Mawsitsit (chromian jade) (Namshamaw Deposit, Hpakan-Tawmaw Jade Tract, Late Jurassic, 147 Ma; Maw Sit Sit, near Kansi, western Kachin State, Indo-Burma Range, northern Burma) 4

James St. John: Nephrite jade (nephritite) (Cowell Jade, Proterozoic; Mount Geharty Jade Mines, 20 km north of Cowell, eastern Eyre Peninsula, South Australia)

James St. John: Chromian jade (Hpakan-Tawmaw Jade Tract, Late Jurassic, 147 Ma; Tawmaw, Myitkyina-Mogaung District, western Kachin State, Indo-Burma Range, northern Burma) 1

James St. John: Chromian jade (Hpakan-Tawmaw Jade Tract, Late Jurassic, 147 Ma; Tawmaw, Myitkyina-Mogaung District, western Kachin State, Indo-Burma Range, northern Burma) 2

James St. John: Chromian jade (Hpakan-Tawmaw Jade Tract, Late Jurassic, 147 Ma; Tawmaw, Myitkyina-Mogaung District, western Kachin State, Indo-Burma Range, northern Burma) 3

James St. John: Jadeitite (jadeite jade) (Hpakan-Tawmaw Jade Tract, Hpakan Ultramafic Body, Naga-Adaman Ophiolite, Late Jurassic, 147 Ma; alluvial clast (placer jade) in the upper reaches of the Uyu River, Kachin State, Indo-Burma Range, Burma) 4

James St. John: Mawsitsit (chromian jade) (Namshamaw Deposit, Hpakan-Tawmaw Jade Tract, Late Jurassic, 147 Ma; Maw Sit Sit, near Kansi, western Kachin State, Indo-Burma Range, northern Burma) 5

James St. John: Green nephrite jade ventifact (Precambrian; Crooks Mountain, Fremont County, Wyoming, USA) 2

James St. John: Green nephrite jade ventifact (Precambrian; Crooks Mountain, Fremont County, Wyoming, USA) 3

James St. John: Green nephrite jade ventifact (Precambrian; Crooks Mountain, Fremont County, Wyoming, USA) 4

James St. John: Green nephrite jade ventifact (Precambrian; Crooks Mountain, Fremont County, Wyoming, USA) 5

James St. John: Green nephrite jade ventifact (Precambrian; Crooks Mountain, Fremont County, Wyoming, USA) 6

James St. John: Green nephrite jade ventifact (Precambrian; Crooks Mountain, Fremont County, Wyoming, USA) 7

James St. John: Green nephrite jade ventifact (Precambrian; Crooks Mountain, Fremont County, Wyoming, USA) 8

James St. John: Green nephrite jade ventifact (Precambrian; Crooks Mountain, Fremont County, Wyoming, USA) 9

James St. John: Green nephrite jade (Precambrian; Granite Mountains, Wyoming, USA) 1

James St. John: Black nephrite jade (Precambrian; central Wyoming, USA)

James St. John: Black nephrite jade ventifact (Precambrian; Granite Mountains, Wyoming, USA)

James St. John: Green nephrite jade (Precambrian; Granite Mountains, Wyoming, USA) 2