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

3.95 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6.1 x 4.1 mm

1.35 ct Oval Peridot, 6.1 x 4.2 mm From China

0.79 carat Pear Shape Color-Change Diaspore, loose Certified Color-Change Diaspore from Turkey, Natural Untreated Gem, 9.6 x 4.5 mm

19.76 ct Oval Serpentine, 24.8 x 16.2 mm From the United States

0.7 carat Blue Sapphire, Marquise-Cut loose Sapphire from Madagascar, Natural Gem, 7.7 x 4 mm

12.68 carat Black Tourmaline, Heart loose Tourmaline from Mozambique, Natural Untreated Gem, 14.4 x 14.1 mm

0.28 ct Oval Cut Kornerupine, 4.6 x 3.3 mm From Sri Lanka

13.29 ct Oval Tiger's Eye, 20 x 15 mm From Thailand

2.71 carat White Topaz, Cushion loose Topaz from Brazil, Natural Untreated Gems, 4.6 x 4.5 mm

0.36 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 3.8 mm

8.81 ct Oval Fire Agate, 18.2 x 12.4 mm From Mexico

10.67 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 14.1 x 10 mm

1.64 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gem, 6.7 mm

4.95 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gems, 10.3 x 8.2 mm

4.75 ct Loose Oval Cut Strawberry Quartz, 12.1 x 9.8 mm From India

6.42 ct Baguette Tiger's Eye, 12.1 x 10.3 mm From Thailand

0.3 carat Round Emerald, loose Certified Emerald from Colombia, Natural Gem, 3.9 mm

0.43 carat Pear Shape Emerald, loose Certified Emerald from Colombia, Natural Gem, 5.8 x 4.3 mm

1.42 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4.9 x 4.9 mm

4.46 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 7 mm

1.12 carat Orange Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Untreated Gem, 5.7 mm

2.96 ct Round Cut Golden Beryl, 8.1 mm From Madagascar

0.71 ct Loose Orange Sapphire, 5.1 x 4.1 mm Octagon Cut From Tanzania

1.29 ct Black Star Sapphire, 7.5 x 5.7 mm Oval Cut From Thailand

3.86 carat Black Tourmaline, Oval loose Tourmaline from Tanzania, Natural Untreated Gem, 11.6 x 8.9 mm

0.57 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 6.1 x 4.1 mm

19.49 ct Oval Rainbow Moonstone, 20.9 x 13.3 mm From the United States

1.77 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.2 x 5.1 mm

1.65 ct Cushion Cut Smoky Quartz, 7.2 x 5.2 mm From Brazil

1.04 ct Marquise Cut Peridot, 8.1 x 4.1 mm From China

44.99 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gem, 28.4 x 20.6 mm

9.51 ct Green Jadeite, 16 x 11.4 mm Oval Cut From Myanmar

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