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Sponge Quartz Beads

Sponge quartz, often dyed blue, is a whitish quartz with a marble or sponge-like effect.  John Mawe calls it also cellular quartz in his "Descriptive Catalogue of Minerals" (1764-1829).

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10x10 mm, round, gemstone beads, sponge quartz, sinbad blue

Gemstone, natural sponge quartz, sinbad blue dyed, 10x10 mm, round beads - Mohs' hardness 7.0 - one unit is +/- 19 cm and has +/- 19 beads
From €3.70

4x4 mm, round, gemstone beads, sponge quartz, sinbad blue

Gemstone, natural sponge quartz, sinbad blue dyed, 4x4 mm, round beads - Mohs' hardness 7.0 - one unit is +/- 19 cm and has +/- 44 beads
From €1.87

5x8 mm, rondelle, gemstone beads, sponge quartz, sinbad blue, faceted

Gemstone, natural sponge quartz, sinbad blue dyed, 5x8 mm, rondelle beads - faceted - Mohs' hardness 7.0 - one unit is +/- 19 cm and has +/- 39 beads
From €4.22

6x6 mm, round, gemstone beads, sponge quartz, jeans blue

Gemstone, natural sponge quartz, jeans blue dyed, 6x6 mm, round beads - Mohs' hardness 7.0 - one unit is +/- 19 cm and has +/- 32 beads
From €2.23

6x6 mm, round, gemstone beads, sponge quartz, sinbad blue

Gemstone, natural sponge quartz, sinbad blue dyed, 6x6 mm, round beads - Mohs' hardness 7.0 - one unit is +/- 19 cm and has +/- 32 beads
From €2.13

8x8 mm, round, gemstone beads, sponge quartz, jeans blue

Gemstone, natural sponge quartz, jeans blue dyed, 8x8 mm, round beads - Mohs' hardness 7.0 - one unit is +/- 19 cm and has +/- 23 beads
From €2.97

8x8 mm, round, gemstone beads, sponge quartz, Persian green in red goldstone

Gemstone, Persian green sponge quartz in red goldstone resin, dyed, 8x8 mm, round beads - Mohs' hardness 7.0 - one strand is +/- 19 cm and has +/- 23 beads
From €4.08

8x8 mm, round, gemstone beads, sponge quartz, sinbad blue

Gemstone, natural sponge quartz, sinbad blue dyed, 8x8 mm, round beads - Mohs' hardness 7.0 - one unit is +/- 19 cm and has +/- 23 beads
From €2.97