One of the mysteries of the English language finally explained.
A deep red variety of spinel, often of gem quality.
- ‘Buy her these 0.32 ctw AA fine grade Burma spinel rubies set in lovely 14k white gold to make these really stand out!’
- ‘As a rule the true ruby is blood-red, sometimes called ‘pigeon blood’; the spinel ruby is scarlet; and the minor variety, the ballas ruby, is rose-red.’
- ‘The MED identifies this as a precious stone, possibly ‘the spinel ruby, which is isotropic and can be used as a burning glass’ (headword: epestite).’
- ‘We visit the mining fields, where sapphires, topazes and spinel rubies are found.’
- ‘In ancient times spinel rubies and corundum rubies were equally well known, and the two were probably often confounded.’
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