Garnet, Spinel and Dumortierite Beads

The silicate minerals are subdivided in six families depending the amount of silica and oxygen they contain. Both garnet and Kyanite belong to the Nesosilicates (Neso means island) which in turn are subdivided into groups, one of them is the garnet group and another one is called the Al2SiO5 group. To the latter belong Kyanite, topaz, Dumortierite, Andalusite and so on.

More about garnet, the birthstone of January, on http://dunebeads.com/en/the-birthstones-january-the-garnet-between-a-delicate-choice-and-a-risky-option

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10x10 mm, round, gemstone beads, garnet, natural, A-grade

Gemstone, garnet, natural, 10x10 mm, round beads – A-grade, Mohs' hardness 6.5-7.5 - one unit is +/- 20 cm and has +/- 20 beads
From €10.27

5x8 mm, rondelle, gemstone beads, garnet, natural, faceted

Gemstone, garnet, natural, 5x8 mm, rondelle beads - faceted – A-grade, Mohs' hardness 6.5-7.5 - one unit is +/- 19 cm and has +/- 42 beads
From €9.54

6x6 mm, round, gemstone beads, black spinel, natural

Gemstone, black spinel, natural, 6x6 mm, round beads – Mohs' hardness 7.5-8.0 - one unit is +/- 19 cm and has +/- 32 beads
From €8.74

6x6 mm, round, gemstone beads, garnet, natural, A-grade

Gemstone, garnet, natural, 6x6 mm, round beads – A-grade, Mohs' hardness 6.5-7.5 - one unit is +/- 19 cm and has +/- 31 beads
From €6.18

8x8 mm, round, gemstone beads, garnet, natural, A-grade

Gemstone, garnet, natural, 8x8 mm, round beads – A-grade, Mohs' hardness 6.5-7.5 - one unit is +/- 19 cm and has +/- 24 beads
From €8.44

6x8 mm, drum-shaped, gemstone beads, Dumortierite, natural, A-grade

Gemstone, Dumortierite, 6x8 mm, drum-shaped beads – A-grade, Mohs' hardness 8.5 - one unit is +/- 19 cm and has +/- 31 beads
From €7.38