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

0.54 ct Loose Yellow Sapphire, 4.6 x 2.6 mm Baguette Cut From Tanzania

2.28 ct Round Onyx, 6.1 mm From Sri Lanka

4.51 ct Green Apatite, 9.3 x 9.2 mm Asscher Cut From Madagascar

14.49 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 14.9 x 12.8 mm

0.7 carat Pear Shape Color-Change Diaspore, loose Certified Color-Change Diaspore from Turkey, Natural Untreated Gem, 9 x 3.9 mm

0.93 carat Pear Shape Pyrope Garnet, loose Certified Pyrope Garnet from the United States, Natural Untreated Gems, 6.7 x 4.2 mm

1.88 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 8.9 x 7.1 mm

8.68 ct Yellow Quartz, 14.5 x 11.1 mm Oval Cut From Brazil

1.85 carat Orange Hessonite Garnet, Round loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7 mm

3.06 ct Blue Star Sapphire, 9 x 7 mm Oval Cut From Thailand

0.3 carat Blue Sapphire, Pear Shape loose Sapphire from Madagascar, Natural Gem, 5 x 3.8 mm

8.38 ct Fancy Fire Agate, 14.6 x 10.6 mm From Mexico

0.86 carat London Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gem, 7.1 x 5.2 mm

0.55 ct Loose Orange Sapphire, 5.7 x 3.9 mm Oval Cut From Madagascar

3.19 ct Green Agate, 10.2 x 8.7 mm Oval Cut From India

0.26 carat Oval Tsavorite Garnet, loose Certified Tsavorite Garnet from Tanzania, Natural Untreated Gem, 5.2 x 3.1 mm

25.59 carat Pear Quartz With Marcasite, loose Certified Quartz With Marcasite from Brazil, Natural Untreated Gem, 23.4 x 20.8 mm

2.23 carat Blue Green Fluorite, Oval loose Fluorite from India, Natural Untreated Gem, 8.9 x 7.4 mm

15.28 ct Loose Oval Malachite, 18.2 x 13 mm From Congo

0.97 ct Oval Cut Peridot, 6.1 x 4 mm From China

7.5 carat White Topaz, Emerald Cut loose Topaz from Brazil, Natural Untreated Gems, 9.9 x 7.9 mm

15.55 carat Black Tourmaline, Pear Shape loose Tourmaline from Mozambique, Natural Untreated Gem, 19.6 x 13.5 mm

3.83 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gem, 12.1 x 10.1 mm

1.57 ct Round Cat's Eye Moonstone, 7.3 mm From India

0.97 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.3 x 5.3 mm

4.62 carat White Topaz, Round loose Topaz from Brazil, Natural Untreated Gem, 10.6 mm

4.12 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 6.9 x 5 mm

8.2 ct Yellow Apatite, 15.2 x 11.5 mm Oval Cut From Madagascar

0.97 ct Yellow Morganite, 7.9 x 5.9 mm Oval Cut From Afghanistan

5.63 carat Blue Green Apatite, Cushion loose Apatite from Madagascar, Natural Gem, 15.9 x 7.9 mm

6.36 ct Yellow Quartz, 12.2 x 11.8 mm Carved From Brazil

35.77 ct Octagon Concave Cut Smoky Quartz, 18 x 17.7 mm From Brazil

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