Autumn Hickoryite Meaning and Properties

Autumn Hickoryite History

Autumn hickoryite, also known as rainbow hickoryite, is a commercial name for a variety of rhyolite. It is mostly tans and browns with radial banding of reddish-brown, pink and yellow tones. In addition to beads, autumn hickoryite has been used for arrowheads, lapidary roughs, cabochons and more.

Autumn Hickoryite Metaphysical Properties

According to metaphysical beliefs, autumn hickoryite stimulates imaginative thinking and a desire for adventure. It is thought to promote stylishness and originality, especially those in the creative arts or people who simply need inspiration for innovative thinking. As a form of rhyolite, autumn hickoryite also has strong associations with the Earth. Although not a birthstone, it is a zodiac stone of Gemini, Sagittarius and Aquarius.

Autumn Hickoryite Geological Properties

Autumn hickoryite is a variety of rhyolite, an extrusive igneous rock with fine-grained crystals that include quartz, mica and feldspar, with similar chemical composition to granite. One notable difference: autumn hickoryite, with a hardness of 3-1/2, is not as hard as rhyolite at 6 to 6-1/2 on the Mohs scale. A rare gemstone, major deposits of autumn hickoryite have been found near Rodeo, State of Durango, in Mexico.

Mineral Information A variety of banded onyx marble which belongs to calcite mineral species
Chemical Composition CaCo3
Color Reddish-brown, pink and yellow tones.
Hardness 3-1/2 (Mohs)
Specific Gravity 2.70
Refractive Index 1.486-1.658

Proper Care of Autumn Hickoryite

Clean autumn hickoryite jewelry with a soft dry cloth. Wash with warm, soapy water and a soft cloth or soft brush. Dry thoroughly. Avoid using harsh cleaning products that can include bleach and acid. Do not use ultrasonic cleaners or steamers.

To learn more about Autumn Hickoryite and other gemstones, order your copy of Walter Schumann's revised and expanded edition of Gemstones of the World.

For inspirational jewelry design ideas featuring autumn hickoryite, visit the Gallery of Designs.

Designing with Autumn Hickoryite

Because of its bands of brown and tan colors, autumn hickoryite--as the name implies--works well with autumn-themed designs. It lends itself as an integral component for designs based around beaches or deserts, especially those of the southwestern United States. Autumn hickoryite is also a natural choice for Native American-inspired designs and a range of Boho styles.

View design inspirations featuring autumn hickoryite in the Gallery of Designs

Shop for Autumn Hickoryite Items

**Please note that all metaphysical or healing properties listed are collected from various sources. This information is offered as a service and not meant to treat medical conditions. Fire Mountain Gems and Beads® does not guarantee the validity of any of these statements.

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