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

4.18 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 11.9 x 6.1 mm

2.76 carat Sky Blue Topaz, Heart loose Topaz from Brazil, Natural Gem, 9.1 x 9 mm

19.91 ct Square Hematite, 16 x 15.3 mm From Brazil

1.25 carat Orange Sunstone, Oval loose from India, Natural Untreated Gem, 8 x 6.1 mm

1.65 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.1 x 5.1 mm

39.09 ct Oval Seraphinite, 36 x 22.5 mm From Russia

0.54 ct Loose Yellow Sapphire, 3.4 x 3.3 mm Princess Cut From Tanzania

4.69 carat London Blue Topaz, Heart loose Topaz from Brazil, Natural Gem, 10.4 x 9.9 mm

1.64 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.1 x 5.1 mm

1.59 carat Red Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 8.2 x 6.3 mm

7.23 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gems, 12.2 x 10.1 mm

23.46 carat Round Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 20.1 mm

1.27 ct Green Sphene, 6.6 x 5.2 mm Oval Cut From Sri Lanka

1.1 carat Pear Shape Color-Change Diaspore, loose Certified Color-Change Diaspore from Turkey, Natural Untreated Gem, 7.8 x 5.8 mm

9.31 ct Loose Oval Lapis Lazuli, 14.4 x 10.2 mm From Afghanistan

5.42 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 14.1 x 9.9 mm

19.85 ct Oval Quartz With Hedenbergite, 20.9 x 15 mm From Russia

2.96 ct Black Star Sapphire, 8.4 x 7 mm Oval Cut From Thailand

0.59 ct Loose Purple Sapphire, 5 x 3.1 mm Oval Cut From Tanzania

0.48 ct Oval Chrysoberyl Cat's Eye, 4.3 x 4.1 mm From Sri Lanka

1.54 ct Pink Morganite, 8.5 x 6.5 mm Oval Cut From Afghanistan

4.49 carat Oval Rhodolite Garnet, loose Certified Rhodolite Garnet from Tanzania, Natural Untreated Gems, 6.9 x 5.2 mm

1.22 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.5 x 5.5 mm

1.4 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gems, 3.6 mm

3.71 ct Oval Chrysoprase, 11.7 x 8.9 mm From Madagascar

2.67 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gems, 7.9 x 6.1 mm

6.34 ct Asscher Cut Rose Quartz, 11.5 x 11.4 mm From South Africa

4.41 ct Square Cut Peridot, 6 x 5.9 mm From China

23.57 ct Heart Hematite, 20.4 x 19.1 mm From Brazil

2.93 ct Round Onyx, 7 mm From Sri Lanka

3.12 ct Square Cut Rainbow Moonstone, 3.2 x 3.1 mm From India

43.91 ct Yellow Quartz, 25.4 x 18.9 mm Oval Cut From Brazil

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