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Jasper

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A red to variably coloured chert

Visit gemdat.org for gemological information about Jasper.


Classification of Jasper

Mineralogy of Jasper

Essential minerals - these are minerals that are required within the classification of this rock:
Silica > QuartzSiO2
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
HematiteFe2O3

First Recorded Occurrence of Jasper

Synonyms of Jasper

Other Language Names for Jasper

Azeri:Yəşəm
Czech:Jaspis
Dutch:Jaspis
Esperanto:Jaspo
Hebrew:ישפה
Italian:Diaspro
Japanese:碧玉
Latin:Iaspis
Latvian:Jašma
Lithuanian:Jaspis
Polish:Jaspis
Portuguese:Jaspe
Romanian:Jasp
Russian:Яшма
Simplified Chinese:碧玉
紅碧玉
Slovak:Jaspis
Spanish:Jaspe
Swedish:Jaspis

Varieties of Jasper

Ball Jasper

Jasper showing concentric red and yellow bands.
Jasper occurring in spherical masses.

Bayate

A local name for a brown ferruginous variety of Jasper.

Originally described from Oriente Province, Cuba.

Chrysojasper

A variety of jasper colored by chrysocolla.

Creolite

A red-and-white banded jasper. [Webster (1962), Gems 755]
Originally reported from California, USA.

Dallasite

A variety of jasper from Vancouver Island, British Columbia, Canada.

Darlingite

Local name for a variety of Jasper. A kind of lydian stone.
Originally reported from Victoria, Australia.

Egyptian Jasper

A brown variety jasper (brown alternating with black stripes - Egypt) or red (blood-red, flesh red, yellow, brown - found in Baden), originally described from Egypt.

Kinradite

An orbicular jasper originally observed in the San Francisco area and named for lapidary J J Kinrade.
See: "Kinradite": Orbicular Jasper from San Francisco

Owyhee Jasper
Pastelite

Variety of jasper exhibiting pastel colors.

Quetzalitztli

Translucent, emerald green jasper from Guatemala, colored by inclusions of Cr-muscovite.

Riband Jasper

A banded Jasper

Vogelaugenjaspis
Wilkite

A yellow, purple, pink, and green jasper from Willow Creek, Ada County, Idaho, USA.

Common Associates

Associated Minerals Based on Photo Data:
Quartz36 photos of Jasper associated with Quartz on mindat.org.
Hematite29 photos of Jasper associated with Hematite on mindat.org.
Chalcedony25 photos of Jasper associated with Chalcedony on mindat.org.
Agate12 photos of Jasper associated with Agate on mindat.org.
Petrified Wood10 photos of Jasper associated with Petrified Wood on mindat.org.
Pyrite10 photos of Jasper associated with Pyrite on mindat.org.
Magnetite8 photos of Jasper associated with Magnetite on mindat.org.
Baryte7 photos of Jasper associated with Baryte on mindat.org.
Sepiolite6 photos of Jasper associated with Sepiolite on mindat.org.
Opal6 photos of Jasper associated with Opal on mindat.org.

Internet Links for Jasper

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https://www.mindat.org/min-2082.html
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