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

4.57 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 11.8 x 9.8 mm

1.96 ct Blue Green Grandidierite, 9 x 7 mm Oval Cut From Madagascar

6.26 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 12.5 x 11 mm

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

13.83 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 22.4 x 16.4 mm

3.97 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 3.9 x 3.8 mm

1.32 carat Orange Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Untreated Gem, 6.4 mm

2.63 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 10.1 x 5.2 mm

14.06 carat Bi-color Ametrine, Oval loose Ametrine from Brazil, Natural Untreated Gem, 17.8 x 12 mm

1.61 carat Pink Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 7.3 x 6.7 mm

16.32 ct Fancy Jasper, 27 x 13.5 mm From Indonesia

0.69 ct Loose Yellow Sapphire, 3.6 x 3.6 mm Princess Cut From Tanzania

0.62 carat Green Tourmaline, Cushion loose Tourmaline from Mozambique, Natural Untreated Gem, 5.2 x 4.8 mm

6.35 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 14.5 x 11.2 mm

1.14 ct Yellow Beryl, 8.2 x 6.3 mm Oval Cut From Madagascar

2.48 ct Round Cat's Eye Scapolite, 8.8 mm From Madagascar

1.21 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gem, 10.1 x 5.1 mm

7.95 ct Rondelle Cut Carnelian, 6.1 x 6 mm From India

6.16 ct Oval Tiger's Eye, 14.3 x 10.3 mm From Thailand

92.59 ct Drilled Sphere Rhodochrosite, 16.9 mm From South Africa

8.7 ct Loose Baguette Lapis Lazuli, 13.3 x 11.4 mm From Afghanistan

1.7 ct White Moonstone, 9.2 x 7.1 mm Oval Cut From India

8.47 ct Carved Prehnite, 17.1 x 11.1 mm From South Africa

7.99 ct Oval Pietersite, 13.9 x 10.1 mm From China

102.5 ct Oval Jasper, 58.5 x 36.3 mm From Indonesia

1.72 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Untreated Gems, 7.1 x 5.1 mm

8.35 carat Pear Rainbow Moonstone, loose Certified Rainbow Moonstone from the United States, Natural Untreated Gem, 18.1 x 8.9 mm

0.74 carat Yellow Citrine, Heart loose Citrine from Brazil, Natural Untreated Gem, 6.1 x 6.1 mm

0.5 ct Oval Chocolate Opal, 7.2 x 4.7 mm From Ethiopia

1.43 carat Pink Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 7.4 x 6.2 mm

3.58 ct Red Andesine Labradorite, 11.1 x 9 mm Oval Cut From Congo

1.97 carat Baguette Facet Tsavorite Garnet, loose Certified Tsavorite Garnet from Tanzania, Natural Untreated Gems, 2.9 x 1.9 mm

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