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JASPERS 4

The first genetic classification of jaspers (by M. Campos-Venuti 2010).


4-CHEMICAL JASPERS
Chemical Jaspers form by direct precipitation from a colloidal solution inside a cavity.

Types of cavities that can be filled by jasper (by M. Campos-Venuti 2012).

Orbed Jaspers
Orbed jaspers show concentric orbs in the center.


Morrisonite Jasper, Christine Marie Claim, Oregon.

You can learn about the origin of orbs in the Marco Campos-Venuti book:
"Genesis and Classification of Agates and Jaspers: a New Theory"
that you can buy here.


Bruneau Jasper, Bruneau Canyon, Idaho.


Willow Creek Jasper, Idaho.


Royal Imperial Jasper, Zacatecas, Mexico.

You can learn about the origin of nodules in the Marco Campos-Venuti book:
"Genesis and Classification of Agates and Jaspers: a New Theory"
that you can buy here.


Imperial Jasper, Guadalajara, Zacatecas, Mexico.


Misty Mountain Jasper, Madagascar.

Brecciated Jaspers
Brecciated Jaspers show brecciated aspect with minimal dislocation of clasts.

Brecciated Jasper, Giuliana, Sicily, Italy.

You can learn about the origin of brecciated jasper in the Marco Campos-Venuti book:
"Genesis and Classification of Agates and Jaspers: a New Theory"
that you can buy here.


Stone Canyon Jasper, Monterey County, California.


Stefoinite Jasper, Wyoming.


Burro Creek Brecciated Jasper, Arizona.


Fluted Jasper, Greybull, Wyoming.


Chapinite, Camp Irwin, San Bernardino County, California.

Jasp-agates
Jasp-agates consist in filamentous jasper included in chalcedony.

Laguna Inferno Agate, Chihuahua, Mexico.

You can learn about the origin of jasp-agates in the Marco Campos-Venuti book:
"Genesis and Classification of Agates and Jaspers: a New Theory"
that you can buy here.


Brenda Agate, Arizona.


Cobra Jasper, India.


Maury Mountain Christmas Agate, Oregon.
 

This and much more in the Marco Campos-Venuti book:
"Genesis and Classification of Agates and Jaspers: a New Theory"
that you can buy here.