Psilomelane: Buy Loose Psilomelane at Affordable Prices from GemSelect

Psilomelane is an umbrella term for hard black manganese oxide and is composed of hydrous manganese oxide with variable amounts of barium and potassium. The name, psilomelane comes from the Greek for "psilos" (smooth) and "melas" (black) because of its smooth, black appearance. Psilomelane is often layered with gray pyrolusite, giving it attractive gray bands and swirls. It is often traded as "Merlinite" or erroneously called "black hematite", though hematite is iron oxide. Psilomelane often forms with barite, quartz, hematite and jasper. When intergrown with jasper it is traded as "psilomelane jasper".

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Gemstones A-Z

Buy Psilomelane Gems

5.58 ct Loose Orange Sapphire, 12.2 x 9.7 mm Oval Cut From Thailand

16.98 ct Trillion Pietersite, 23 x 22 mm From Namibia

17.91 carat Carved Turtle Mother of Pearl, loose Certified Mother of Pearl from China, Natural Gem, 22.4 x 16.3 mm

0.73 carat Pear Shape Pyrope Garnet, loose Certified Pyrope Garnet from the United States, Natural Untreated Gem, 6.9 x 4.8 mm

33.52 ct Oval Hematite, 21.3 x 17.2 mm From Brazil

0.68 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gem, 7.2 x 5.1 mm

5.86 carat Sky Blue Topaz, Emerald Cut loose Topaz from Brazil, Natural Gems, 9.1 x 7.1 mm

9.8 carat Blue Green Grandidierite, Pear Shape loose Grandidierite from Madagascar, Natural Untreated Gem, 20 x 13.2 mm

7.54 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6.2 x 4.2 mm

0.72 carat Yellow Sapphire, Heart loose Sapphire from Tanzania, Natural Gem, 5.5 x 5.5 mm

52.63 ct Cushion Hematite, 24.5 x 21 mm From Brazil

8.98 ct Round Cut Smoky Quartz, 14.4 mm From Brazil

1.6 ct Loose Pink Sapphire, 3.9 x 3.8 mm Trillion Cut From Madagascar

2.04 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 5.9 mm

1.37 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.2 x 6 mm

10.01 carat Brown Hessonite Garnet, Oval loose Hessonite Garnet from Sri Lanka, Natural Untreated Gems, 12.9 x 9.1 mm

0.63 ct Cushion Cut Color-Change Diaspore, 6 x 4.4 mm From Turkey

3.51 carat Swiss Blue Topaz, Carved Leaf loose Topaz from Brazil, Natural Gem, 10.9 x 9.4 mm

1.9 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 5 x 3 mm

1.7 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.1 x 5.2 mm

14.98 ct Loose Oval Lapis Lazuli, 16.3 x 12.4 mm From Afghanistan

2.79 carat Blue Tanzanite, Oval loose Tanzanite from Tanzania, Natural Gem, 9.2 x 7.1 mm

1.05 carat Cushion Buff Top Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 5.1 x 5.1 mm

1.66 ct Loose Princess Cut Sapphire, 2.2 x 2.2 mm From Tanzania

6.3 ct Marquise Slice Ruby in Fuchsite, 16.1 x 9.4 mm From Ethiopia

22.5 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 30.4 x 20.2 mm

2.12 ct Orange Sphalerite, 8.2 x 6.4 mm Oval Cut From Spain

7.84 ct Orange Moonstone, 9.9 x 9.8 mm Carved From India

1.76 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 8.5 x 6.9 mm

1.43 carat Swiss Blue Topaz, Trillion-Cut loose Topaz from Brazil, Natural Gem, 7.1 x 7.1 mm

4.48 ct Square Labradorite, 7.1 x 6.9 mm From Madagascar

6.24 ct Yellow Quartz, 11.9 x 11.8 mm Carved From Brazil

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