DIAMOND.Weight. 978.0 carats. 

DIAMOND.Weight.978.0 carats Is a natural diamond. Hardness detection element of carbon. 10 Mohs.scale.Very clean. Color White.email:leonationworld@gmail.com TEL.(+66)833302023
DIAMONDS.NATIVE ELEMENTS C(Carbon)System Isometric.Appearance Usually octahedral,rounded crystals. Colorless,yellow,brown,gray,green , black and pink. Blackish microcrystalline masses,radiate structure (bort variety) Physical properties Dimorphic with graphite.The hardest-mineral (10 on the Mohs scale). Heavy,fragile,with perfect cleavage.Transparent with adamantine luster and strong dispersion of light. Insoluble and infusible.Burns with difficulty,giving off carbon dioxide.Often fluorescent in ultraviolet light.
195.6 g = 978 cts.
1 g. = 5 cts.
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Isometric diamonds Physical properties Dimorphic with the toughest mineral graphite (10 Mohs), coarse and smooth to blend in with your shine and subject: The strongest light distribution Insoluble and infusible burns with difficulty. It's hard to focus on carbon dioxide around the world in ultraviolet light.