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

23.79 ct Yellow Quartz, 25.1 x 20.4 mm Carved From Brazil

1.84 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8.1 x 6.1 mm

4.16 ct Oval Cat's Eye Opal, 11.8 x 8.8 mm From Madagascar

3.1 ct Round Cat's Eye Scapolite, 8.9 mm From Madagascar

2.51 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 10 x 8.1 mm

1.48 carat Oval Opal, loose Certified Opal from Australia, Natural Untreated Gems, 7.9 x 6.2 mm

3.45 ct Oval Rutile Quartz, 12.9 x 8.9 mm From India

1.46 carat Round Opal, loose Certified Opal from Ethiopia, Natural Untreated Gems, 6.1 mm

2.83 carat Sky Blue Topaz, Heart loose Topaz from Brazil, Natural Gems, 4 x 4 mm

1.39 carat Orange Hessonite Garnet, Baguette Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.9 x 5 mm

70.8 carat Blue Aquamarine, Pear Shape loose Aquamarine from India, Natural Gem, 32.7 x 26.5 mm

9.49 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gems, 14.2 x 10.1 mm

0.67 carat Blue Sapphire, Oval loose Sapphire from Sri Lanka, Natural Gem, 6.1 x 4.2 mm

10.43 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 23.7 x 13.6 mm

6.07 ct Loose Oval Star Ruby, 9.9 x 8.5 mm From Madagascar

3.2 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7 x 5.1 mm

9.3 ct Round Maw-Sit-Sit, 12.7 mm From Myanmar

5.05 ct Oval Prehnite, 11.4 x 8.6 mm From South Africa

1.2 ct Marquise Cut Peridot, 8.1 x 4.1 mm From China

8.15 ct Blue Green Grandidierite, 14.4 x 10.6 mm Oval Cut From Madagascar

0.82 carat Green Tourmaline, Round Cabochon loose Tourmaline from Mozambique, Natural Untreated Gem, 6.1 mm

26.8 carat Round Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 20.2 mm

1.12 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 7.4 x 6 mm

30.85 ct Cushion Coral, 18.9 x 15.2 mm From Indonesia

5.88 carat Yellow Citrine, Emerald Cut loose Citrine from Bolivia, Natural Untreated Gem, 12 x 10 mm

0.87 ct Blue Kyanite, 7 x 4.9 mm Oval Cut From Nepal

10.13 ct Black Spinel, 10.1 mm Round Rose Cut From Thailand

39.47 ct Baguette Charoite, 32.2 x 19.8 mm From Russia

0.16 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 3.5 mm

3.76 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 12.7 x 9.7 mm

2.38 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 10 x 7.9 mm

44.38 ct Oval Jasper, 34.8 x 27.5 mm From Indonesia

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