Rock Identifier
Outback Jasper (Silicon dioxide (SiO2) with iron oxides)
mineral

Outback Jasper

Silicon dioxide (SiO2) with iron oxides

An earthy Australian-style jasper in red, ochre, and yellow tones evoking the colors of the Outback desert.

Mohs hardness
6.5-7
Color
Earthy reds, ochre, yellow, brown, and cream
Type
mineral

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Overview

Outback Jasper is a trade name for an earthy jasper in the warm reds, ochres, yellows, and browns associated with the Australian Outback. It is often linked to or sold alongside Australian jaspers such as Mookaite, sharing a similar desert palette.

Like all jaspers, it is an opaque variety of microcrystalline quartz colored by iron oxides, here producing rich red and golden earth tones. Its bold, warm coloration makes it popular for statement beads and cabochons.

As an appearance-based trade name, material may come from Australian deposits or other regions with similar coloring.

Formation & geology

Outback Jasper forms where silica-rich groundwater deposits cryptocrystalline quartz within sedimentary or weathered host rock. High and varying concentrations of iron oxides, hematite for reds, goethite and limonite for yellows and browns, produce its warm earth-tone range.

Australian jaspers of this type, like the related Mookaite from Western Australia, formed in ancient marine sediments later silicified and stained by iron. The bold colors reflect intense iron mineralization characteristic of Australia's weathered desert terrain.

How to identify it

Look for an opaque stone in earthy reds, ochre, yellow, brown, and cream, sometimes mottled or banded. Hardness is 6.5-7, scratching glass; streak is white to pale; polished luster is glassy to waxy.

It closely resembles Mookaite and other red-yellow Australian jaspers; the warm red-ochre palette is the hallmark. Distinguish from agate by full opacity, and from soft dyed stone by its hardness. Color blends are typically natural in genuine material.

Uses & significance

Outback Jasper is cut into cabochons, beads, bracelets, and tumbled stones that highlight its bold red and golden earth tones. It is durable and well suited to warm, earthy jewelry designs.

Metaphysically it is marketed as a grounding, energizing stone tied to the earth and vitality. Its genuine value is decorative, offering rich desert coloration in a hard, polish-friendly material.

Frequently asked questions

What is Outback Jasper?

A trade name for an earthy red, ochre, and yellow jasper evoking the colors of the Australian Outback.

Is Outback Jasper related to Mookaite?

Yes, it shares the warm desert palette of Australian jaspers like Mookaite and is sometimes sold alongside it.

What gives Outback Jasper its red and yellow colors?

Iron oxides, hematite for reds and goethite/limonite for yellows and browns, produce its earth-tone range.

How hard is Outback Jasper?

About 6.5-7 on the Mohs scale, durable for everyday jewelry use.

Outback Jasper identified by the community

Real specimens identified with Rock Identifier.

Jasper (Mookaite variety likely)