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Pleonaste — specimen 0463, photo © NMNHS
Pleonaste — specimen 0463, photo © NMNHS

Pleonastespecimen 0463


Southeast Asia
Thailand, Kanchanaburi, Bo Phloi
Pleonaste — specimen 0463, locality map

Weight: 1.41 ct; size: 7.60 | 6.44 | 4.59 mm; shape: oval; colour: black; clarity: opaque; cut: excellent; treatment: none.

Clean specimen; design ‘Ovalimixtum ST’, excellent cut by Tan Pen.

Other specimens
Pleonaste — specimen 0384Pleonaste — specimen 0385Pleonaste — specimen 0442Pleonaste — specimen 0648Pleonaste — specimen 0650Pleonaste — specimen 0666Pleonaste — specimen 0670Pleonaste — specimen 0665Pleonaste — specimen 0671Pleonaste — specimen 0672Pleonaste — specimen 0673

More information from ‘Classification’

An intermediate variety of the hercynite-spinel series, iron-rich spinel or magnesium-rich hercynite. Often called black spinel.