heliodorn.
/ˈhiːlɪəʊdɔː/ Mineralogy.
A richly coloured variety of golden beryl found in South West Africa.
ΘΚΠ
society > occupation and work > materials > raw material > gem or precious stone > beryl > [noun] > other varieties of beryl
goshenite1844
morganite1911
heliodor1913
1913 Mineral. Mag. 16 362 Heliodor... Trade-name for a golden beryl of gem-quality from German South-West Africa.
1952 L. G. Green Lords of Last Frontier (1953) xviii. 185 Heliodore is found only on the barren slopes of Rossing Mountain... Apparently it does not exist anywhere else in the world. German prospectors discovered the first deposit..and the lovely greenish~yellow opalescent stones were set in the form of a cross.
1959 Chambers's Encycl. II. 281/2 The pink morganite, the golden heliodor and the green emerald are among the most attractive of coloured gems.
This entry has not yet been fully updated (first published 1976; most recently modified version published online December 2020).
<
n.1913