sinhaliten.
/ˈsɪnhəlʌɪt/ Mineralogy.
A borate of aluminium and magnesium, MgAlBO4 (usually also containing iron), which forms pale yellow to deep brown orthorhombic crystals resembling olivine and frequently of gem quality.
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the world > the earth > minerals > types of mineral > borates > [noun] > borates with aluminium
rhodizite1835
jeremeievite1883
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sinhalite1952
society > occupation and work > materials > raw material > gem or precious stone > chrysolite > [noun] > peridot or olivine > stone resembling
sinhalite1952
1952 Claringbull & Hey in Mineral. Mag. 29 843 For this new mineral the name sinhalite is proposed, from Sinhala the Sanskrit name for Ceylon.
1952 Times 4 Dec. 3/3 Sinhalite..was previously thought to be an olivine rich in iron.
1965 Amer. Mineralogist 50 1979 The sinhalite from Ceylon had a density of 3·494, corresponding to a composition (Al,Mg)1·95Fe0·05BO4. Judging from the absorption data, most of the iron in sinhalite is divalent.
1971 Jrnl. Gemmology 12 154 One of the few sinhalites we have officially tested..was an attractive golden brown specimen.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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n.1952