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 €3.55

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

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

From €2.15

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 €4.05

6x6 mm, round, gemstone beads, light grey sponge quartz, natural, frosted

Gemstone, light grey sponge quartz, natural, Republic of Angola, 6x6 mm, round beads – frosted, Mohs' hardness 7.0 - one unit is +/- 19 cm and has +/- 32 beads

From €2.78

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 €2.15

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 €2.05

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 €3.92

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 €2.85

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 €2.85