Dumortierite Beads

Dumortierite is a mineral called boro-silicate. In addition to its use in jewelry making and as a mineral specimen, it is used in the manufacture of high grade ceramics and porcelain.

It is named for the French paleontologist, Eugene Dumortier, who discovered it

It is opaque, translucent, and transparent indigo blue to violet, but also pink and brown. It may be fluorescent under black light. It is easy to see why it is often erroneously identified as blue denim lapis lazuli or sodalite.

common treatments: none
special care: normal jewelry care (avoid abrasion, impact, and harsh chemicals)
hardness: 7


Dumortierite Chip Beads
Dumortierite Chip - DUDA0001
Dumortierite chips provide a sturdy stone with fabulous natural indigo blue color mottled on a pale gray background. Cut in China, the strands are approximately 15 inches long. (untreated) 1 strand per package
More Details+Price $3.00
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Dumortierite Puff Coin
Dumortierite Puff Coin - DUDR0005
These 14mm puff coin beads of African blue dumortierite are swirls of navy blue and baby blue, with a few touches of light sandy brown. Strands are approximately 15 inches long. Cut in China. (untreated) 1 strand per package
More Details+Price $11.70
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DUDM0001.jpg
Dumortierite Rectangle - DUDM0001
These 4mm x 13mm rectangle dumortierite (African blue) beads are a nice substitute for denim lapis without the steep price. We do admit the cutting (somewhat primitive) in these beads is reflected in the low price. Cut in China. Strands are approximately 15 inches. (untreated) 1 strand per package
More Details+Price $2.14
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Dumortierite Round 4mm Beads
Dumortierite Round 4mm - DUDR0003
Dumortierite 4mm round beads offer dark indigo blue splashed on a soft bluish gray background in a small but very visible size. Cut in China, the strands are approximately 15 inches long. (untreated) 1 strand per package
More Details+Price $6.75
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Dumortierite Round 6mm Beads
Dumortierite Round 6mm - DUDR0002
Dumortierite 6mm round beads appear something like faded denim with spots of dark indigo blue on a soft bluish gray background. Cut in China, the strands are approximately 15 inches long. (untreated) 1 strand per package
More Details+Price $7.50
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