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

27.84 ct Oval Jasper, 29.5 x 18.2 mm From Indonesia

8.55 ct Black Spinel, 10.1 mm Round Rose Cut From Thailand

9.05 carat Bi-color Ametrine, Emerald-Cut loose Ametrine from Brazil, Natural Untreated Gem, 12.6 x 11.9 mm

0.72 carat Blue Kyanite, Round loose Kyanite from Nepal, Natural Untreated Gem, 5.1 mm

2.37 carat Blue Tanzanite, Oval loose Tanzanite from Tanzania, Natural Gems, 6.2 x 4.1 mm

0.98 carat Yellow Morganite, Pear Shape loose Morganite from Afghanistan, Natural Untreated Gem, 8.2 x 6 mm

1.31 ct Loose Marquise Labradorite, 10 x 5.1 mm From Madagascar

2.73 ct Yellow Quartz, 10.6 x 10.5 mm Carved From Brazil

0.24 carat Pear Shape Emerald, loose Certified Emerald from Colombia, Natural Gem, 4.7 x 3.7 mm

0.76 ct Loose White Sapphire, 4.4 mm Diamond Cut From Madagascar

2.94 carat Sky Blue Topaz, Trillion loose Topaz from Brazil, Natural Gems, 7.1 x 7.2 mm

37.38 carat Pear Jasper, loose Certified Jasper from Indonesia, Natural Untreated Gem, 38.2 x 24.4 mm

0.53 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 6 x 4 mm

4 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6.1 x 4.1 mm

3.22 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 12 x 10 mm

8.24 ct Oval Malachite, 13.9 x 10.1 mm From Congo

33.54 carat Oval Tsavorite Garnet, loose Certified Tsavorite Garnet from Tanzania, Natural Untreated Gem, 31.9 x 15.4 mm

1.04 carat Cushion Buff Top Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 5.2 x 5.1 mm

5.56 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 14 x 10.1 mm

2.29 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gem, 7.1 x 7 mm

14.55 ct Black Spinel, 12.1 x 10.1 mm Cushion Rose Cut From Thailand

1.56 carat Orange Zircon, Emerald Cut loose Zircon from Tanzania, Natural Untreated Gem, 7.2 x 4.8 mm

4.69 carat Pear Coral, loose Certified Coral from Indonesia, Natural Untreated Gem, 14.4 x 10.1 mm

3.46 ct Oval Cut Andalusite, 6 x 4 mm From Brazil

0.77 ct Blue Green Apatite, 6.9 x 5.1 mm Oval Cut From Madagascar

0.68 ct Loose Yellow Sapphire, 3.6 x 3.5 mm Princess Cut From Tanzania

14.42 ct Oval Rose Quartz, 18.3 x 14.2 mm From South Africa

27.21 ct Rainbow Pyrite, 28.8 x 16.5 mm From Russia

11.83 ct Oval Rainbow Moonstone, 17.3 x 11.3 mm From the United States

2.61 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6.2 x 4.2 mm

0.84 carat Pear Shape Emerald, loose Certified Emerald from Colombia, Natural Gem, 7.4 x 5.8 mm

0.38 carat Green Sapphire, Heart loose Sapphire from Tanzania, Natural Gem, 4.4 x 4.4 mm

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