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

34.62 ct Carved Ruby-Zoisite, 34.7 x 26.2 mm From Tanzania

2.1 carat Blue Tanzanite, Oval loose Tanzanite from Tanzania, Natural Gem, 9.1 x 7 mm

2.71 carat Blue Tanzanite, Oval loose Tanzanite from Tanzania, Natural Gem, 10.1 x 8 mm

4.9 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gems, 10 x 8.2 mm

1.23 carat Orange Hessonite Garnet, Square loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6 x 5.9 mm

18.39 carat Emerald Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 20.1 x 15.1 mm

1.73 carat White Zircon, Diamond-Cut loose Zircon from Colombia, Natural Gem, 6.9 mm

1.95 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.1 x 7 mm

1.12 ct Yellow Sphene, 6.7 x 5.8 mm Oval Cut From Sri Lanka

1.93 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 9.2 x 7 mm

3.23 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 11 x 9.1 mm

0.54 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 6 x 4.1 mm

18.8 ct Brown Moonstone, 21.6 x 16 mm Oval Cut From India

1.92 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 8.6 x 6.3 mm

22.42 carat Emerald Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 20.1 x 14.9 mm

2.46 ct Fancy Fire Agate, 9.9 x 8.3 mm From Mexico

3.59 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gems, 8.1 x 5 mm

0.5 carat Yellow Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 5.8 x 3.8 mm

43.63 carat Pear Charoite, loose Certified Charoite from Russia, Natural Untreated Gem, 31.3 x 25.4 mm

0.73 carat Emerald Cut Emerald, loose Certified Emerald from Colombia, Natural Gem, 6 x 3.9 mm

6.25 carat Blue Green Tourmaline, Carved Flower loose Tourmaline from Mozambique, Natural Untreated Gem, 14.1 x 13.1 mm

1.62 carat Baguette Facet Tsavorite Garnet, loose Certified Tsavorite Garnet from Tanzania, Natural Untreated Gems, 3 x 1.7 mm

4.08 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gems, 8 x 5.1 mm

0.22 carat Oval Tsavorite Garnet, loose Certified Tsavorite Garnet from Tanzania, Natural Untreated Gem, 4.8 x 3 mm

21.88 ct Oval Cat's Eye Opal, 24.6 x 16.8 mm From Brazil

2.26 carat Swiss Blue Topaz, Oval loose Topaz from Brazil, Natural Gems, 7.1 x 5.2 mm

0.59 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 6.1 x 4 mm

2.95 ct Drilled Cut Sphere Smoky Quartz, 5.9 mm From Brazil

4.41 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.1 x 5.2 mm

13.12 ct Cushion Concave Cut Mystic Quartz, 12 x 12 mm From Brazil

1.27 ct Blue Kyanite, 6.1 x 4 mm Oval Cut From Nepal

33.16 ct Marquise Rainbow Moonstone, 40.6 x 15.1 mm From the United States

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