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

16.93 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 26.4 x 14.3 mm

2.16 ct White Moonstone, 9.7 x 7.8 mm Oval Cut From India

0.75 carat Green Sapphire, Cushion loose Sapphire from Tanzania, Natural Gem, 4.7 x 4.6 mm

3.23 ct Yellow Sillimanite, 7.3 x 5.1 mm Oval Cut From Sri Lanka

19.45 ct Oval Rainbow Moonstone, 23.8 x 12.8 mm From the United States

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

1.54 carat Pink Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 8.1 x 5.7 mm

3.66 ct Loose Oval Star Ruby, 9.3 x 8.1 mm From Madagascar

0.83 ct Oval Cut Peridot, 7 x 4.8 mm From China

0.84 ct Yellow Beryl, 7.9 x 5.9 mm Oval Cut From Madagascar

2.08 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 7 x 6.9 mm

39.91 carat Pear Jasper, loose Certified Jasper from Indonesia, Natural Untreated Gem, 38.1 x 26.7 mm

0.71 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 6.2 x 5.2 mm

3.33 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 11.1 x 9.2 mm

12.31 ct Round Quartz Cat's Eye, 10.9 mm From India

6.71 ct Yellow Quartz, 14 x 12.1 mm Oval Concave Cut From Brazil

2.33 ct Green Sphene, 8.7 x 7 mm Oval Cut From Sri Lanka

26.01 ct Fancy Jasper, 33.1 x 19 mm From Indonesia

1.69 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6.2 x 4.1 mm

3.76 ct Oval Cut Andalusite, 6.2 x 4.1 mm From Brazil

0.61 ct Loose Purple Sapphire, 5 x 3.3 mm Oval Cut From Tanzania

1.48 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 5.1 x 3.2 mm

1.4 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.1 x 6.1 mm

5.54 carat Cushion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 15.1 x 9 mm

5.72 ct Oval Strawberry Quartz, 11 x 9.2 mm From Brazil

0.74 ct Loose White Sapphire, 4.5 mm Diamond Cut From Madagascar

3.76 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 11.1 x 9.1 mm

2.87 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10.1 x 10 mm

6.12 ct Carved Smoky Quartz, 14 x 10.2 mm From Brazil

8.28 ct Odd Shaped Hemimorphite Druzy, 12.7 x 12.5 mm From Congo

0.42 ct Loose Yellow Sapphire, 5.2 x 3.2 mm Baguette Cut From Tanzania

2.38 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7.1 x 5.1 mm

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