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

1.29 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 21.6 x 2.9 mm

8.03 ct Round Labradorite, 12.2 mm From Madagascar

115.62 ct Oval Cut Rose Quartz, 35.5 x 25.2 mm From South Africa

8.39 carat Black Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 13.5 x 10.1 mm

1.4 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 17.9 x 3.2 mm

1.24 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7 x 5 mm

3.62 ct Oval Prehnite, 8.5 x 6.6 mm From South Africa

1.59 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 5 x 4.9 mm

19.82 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 32.3 x 17.1 mm

2.32 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 9.1 x 7.4 mm

0.65 carat Pink Morganite, Pear Shape loose Morganite from Afghanistan, Natural Untreated Gem, 7.4 x 5.2 mm

6.11 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gems, 11 x 8.9 mm

1.99 carat Orange Zircon, Oval loose Zircon from Tanzania, Natural Untreated Gem, 8.1 x 6 mm

2.36 ct Loose Orange Moonstone, 8.8 x 6.9 mm Cushion Cut From India

0.92 ct Oval Cut Fire Opal, 8.2 x 6.3 mm From Mexico

2.6 carat Oval Opal, loose Certified Opal from Australia, Natural Untreated Gem, 11 x 8.4 mm

1.66 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6.1 x 4.2 mm

4.6 carat Orange Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gems, 5 x 3.2 mm

32.69 carat Pear Jasper, loose Certified Jasper from Indonesia, Natural Untreated Gem, 30.2 x 25.9 mm

4.12 carat Sky Blue Topaz, Marquise Cut loose Topaz from Brazil, Natural Gems, 12.1 x 6.1 mm

0.7 ct Loose Yellow Sapphire, 6 x 5.1 mm Oval Cut From Madagascar

4.29 carat White Topaz, Round loose Topaz from Brazil, Natural Untreated Gem, 10.1 mm

1.57 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 10.1 x 8.1 mm

2.15 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 5 x 3 mm

3.39 carat Blue Green Aquamarine, Pear Shape loose Aquamarine from Madagascar, Natural Untreated Gem, 11.7 x 7.7 mm

1.36 carat Pear Shape Rainbow Moonstone, loose Certified Rainbow Moonstone from India, Natural Untreated Gems, 5.1 x 5 mm

11.47 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 16.2 x 12.1 mm

0.57 ct Loose Orange Sapphire, 5.7 x 4.1 mm Oval Cut From Tanzania

9.66 ct Flower Cut Rose Quartz, 12.9 x 12.6 mm From South Africa

0.42 ct Loose Pink Sapphire, 6.1 x 4.1 mm Oval Cut From Madagascar

13.35 ct Black Spinel, 20.1 x 10.1 mm Baguette Rose Cut From Thailand

24.85 ct Carved Chalcedony, 11.7 x 11.6 mm From Brazil

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