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

0.77 carat Pear Shape Color-Change Diaspore, loose Certified Color-Change Diaspore from Turkey, Natural Untreated Gem, 9.2 x 3.8 mm

2.5 ct Yellow Quartz, 9.2 x 9.1 mm Carved From Brazil

0.68 ct Loose Orange Sapphire, 5.1 mm Round Cut From Tanzania

8.13 ct Oval Coral, 18.1 x 13.1 mm From Indonesia

1.27 ct Purple Spinel, 7.7 x 6 mm Oval Cut From Tanzania

0.98 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 10 x 3.6 mm

2.5 ct Cushion Cut Peridot, 9.3 x 7.6 mm From Myanmar

2.92 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 6.8 x 5 mm

3.78 ct Yellow Sphene, 7.3 x 6.7 mm Oval Cut From Sri Lanka

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

1.08 ct Cushion Cut Color-Change Diaspore, 7.2 x 5.2 mm From Turkey

3.87 ct Green Agate, 16.7 x 9.4 mm Carved From India

1.19 carat Pear Shape Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 8.9 x 6.9 mm

1.5 ct Yellow Beryl, 8.9 x 6.9 mm Cushion Cut From Brazil

2.85 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gems, 7 x 5.1 mm

4.72 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6 x 4.1 mm

0.18 carat Round Emerald, loose Certified Emerald from Colombia, Natural Gem, 3.6 mm

23.73 ct Cushion Lapis Lazuli, 20 x 15.1 mm From Afghanistan

0.34 carat Pink Morganite, Oval loose Morganite from Afghanistan, Natural Untreated Gem, 5.5 x 4.2 mm

6.84 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 14.2 x 10 mm

0.68 ct Orange Sphalerite, 5.5 x 4.5 mm Oval Cut From Spain

2.11 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 9.4 x 9.1 mm

1.44 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 6.1 x 6.1 mm

1.66 carat Carved Leaf Ruby, loose Certified Ruby from Madagascar, Natural Gem, 11.5 x 8.1 mm

8.44 ct Round Concave Cut Smoky Quartz, 14.1 mm From Brazil

4.87 ct Brown Moonstone, 12.4 x 10 mm Oval Cut From India

102.8 ct Oval Jasper, 50.2 x 37.3 mm From Indonesia

0.58 carat Violet Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 6.3 x 4.3 mm

1.46 ct Oval Sillimanite Cat's Eye, 7.7 x 4.4 mm From Madagascar

0.75 ct Loose Orange Sapphire, 5 mm Round Cut From Tanzania

11.83 ct Baguette Tiger's Eye, 16.5 x 12.5 mm From Thailand

2.83 carat Sky Blue Topaz, Oval loose Topaz from Brazil, Natural Gems, 5 x 3.1 mm

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