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

1.45 ct Purple Spinel, 6.7 x 6.3 mm Oval Cut From Tanzania

18.33 ct Oval Serpentine, 23.1 x 13.7 mm From the United States

11.71 ct Odd Shaped Druzy Variscite, 22.7 x 16.1 mm From China

0.43 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 6 x 4.2 mm

9.78 carat Black Tourmaline, Cushion loose Tourmaline from Mozambique, Natural Untreated Gem, 13.3 x 12.1 mm

15.05 carat Pear Jasper, loose Certified Jasper from Indonesia, Natural Untreated Gem, 31.3 x 14.2 mm

1.37 ct Green Sphene, 7.1 x 5.8 mm Oval Cut From Sri Lanka

3.3 carat Red Zircon, Oval loose Zircon from Tanzania, Natural Untreated Gem, 9.1 x 7.1 mm

15.65 ct Marquise Pietersite, 34 x 14.6 mm From Namibia

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

1.32 carat Sky Blue Topaz, Trillion loose Topaz from Brazil, Natural Gem, 7.1 x 6.9 mm

5.5 ct Yellow Apatite, 13 x 10.5 mm Oval Cut From Madagascar

3.42 ct Yellow Apatite, 8.7 x 8.5 mm Asscher Cut From Madagascar

2.1 ct Orange Sunstone, 8.7 mm Round Cut From India

2.14 ct Round Cut Andalusite, 3.9 mm From Brazil

1.54 ct Purple Spinel, 7.2 x 6.2 mm Cushion Cut From Tanzania

8.41 ct Heart Onyx, 10.1 x 10 mm From Sri Lanka

0.99 carat Pear Shape Chrysoberyl, loose Certified Chrysoberyl from Sri Lanka, Natural Untreated Gem, 8.1 x 5.1 mm

2.23 carat Blue Sapphire, Briolette with Hole loose Sapphire from Madagascar, Natural Gems, 4.9 mm

2.29 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 6.2 x 4.2 mm

1.17 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gems, 7.1 x 5 mm

5.03 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gems, 10.2 x 8.1 mm

8.02 carat Yellow Apatite, Pear Shape loose Apatite from Madagascar, Natural Untreated Gem, 15.5 x 11.6 mm

8.07 ct Oval Star Ruby, 12.2 x 10.7 mm From Madagascar

0.65 carat Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 6.1 x 4.1 mm

0.37 carat Green Sapphire, Heart loose Sapphire from Tanzania, Natural Gem, 4.5 x 4.3 mm

29.01 carat Pear Hematite, loose Certified Hematite from Brazil, Natural Untreated Gem, 23.4 x 16.4 mm

2.2 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gem, 9.3 x 9.4 mm

23.37 ct Square Hematite, 16.5 x 16.3 mm From Brazil

1.06 carat Blue Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 6.1 x 5.1 mm

52.58 carat Uvarovite Garnet Drusy, loose Certified Uvarovite Garnet Drusy from Russia, Natural Untreated Gem, 38.5 x 28.3 mm

7.55 ct Oval Star Moonstone, 12.5 x 9.8 mm From India

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