Rockby LogoRockby

Where is Red Jasper found?

Jasper (variety of Chalcedony, SiO2)

Got a photo? Identify rocks instantly with the Rockby app

Open the app

Red Jasper occurs in specific geological environments. Knowing where to look, and in what kind of rock, is the difference between going home empty-handed and finding a great specimen.

Where to find Red Jasper

India

Significant deposits, particularly in Rajasthan, known for high-quality red jasper.

United States

Found in various states including Oregon, Idaho, California, and Arizona, often associated with volcanic activity.

Brazil

Known for various forms of chalcedony, including jasper.

Egypt

Historically important source, used extensively in ancient times.

Australia

Deposits found in Western Australia and other regions.

Russia

Ural Mountains region is a notable source.

Collecting tips

  1. Look for Iron-Rich Environments. Red Jasper often forms in areas with significant iron content, such as ancient volcanic regions, hydrothermal vents, or sedimentary beds with iron-rich minerals.
  2. Examine Riverbeds and Gravel Pits. Due to its hardness and resistance to weathering, Red Jasper can be found as pebbles and cobbles in riverbeds, stream gravels, and glacial till, having been transported from its original source.
  3. Check for Veins and Nodules. In situ, Red Jasper can be found as vein fillings within other rocks or as nodules within sedimentary layers. Look for reddish-brown masses contrasting with the surrounding rock.
  4. Utilize a Hardness Test. Red Jasper will scratch glass and steel (Mohs hardness 6.5-7), which can help differentiate it from softer red minerals or rocks.
  5. Observe Fracture Patterns. A characteristic conchoidal (shell-like) fracture is typical of jasper and other cryptocrystalline quartz varieties.

Quick Check

Color:
Red to reddish-brown
Luster:
Dull to vitreous/waxy
Streak:
White (though often difficult to obtain due to hardness)

Explore Red Jasper

Identify rocks anywhere

Free on iOS, Android, and Web. Photo identification, full database, and your personal collection.

Open in app