Jasper
Scientific Name: SiO2
Category: rock
Brief Description
A small, tumbled or weathered piece of red jasper, an opaque, impure variety of silica containing iron oxide inclusions that give it its characteristic reddish-brown color.
Characteristics
Opaque structure, typically smooth or conchoidal fracture, colored various shades of red, brown, yellow, or green due to mineral impurities. Hardness of 7 on the Mohs scale.
Habitat
Found worldwide in sedimentary and metamorphic deposits, riverbeds, and ancient volcanic regions.
When to Find It
N/A
Conservation Status
N/A
Ecological Role
Contributes to the mineral composition of soils and sediments; used historically and culturally for various ornamental purposes.
Easily Confused With
Can be confused with other microcrystalline quartz varieties like chert or common opal, but distinguished by its opacity and rich red or patterned coloration.
Observation Tips
Look along riverbeds, beaches, and gravel bars after heavy rains when new rocks are exposed.
Interesting Facts
Jasper has been used by humans for thousands of years to create tools, seals, and jewelry, dating back to ancient civilizations.