
• A variety of spinel ruby, of a pale rose red, or inclining to orange. See Spinel.
Found on
http://thinkexist.com/dictionary/meaning/balas_ruby/

variety of the gemstone ruby spinel (q.v.).
Found on
http://www.britannica.com/eb/a-z/b/10

Trade name for Red Spinel.
Found on
http://www.encyclo.co.uk/local/22148
Bal'as ru`by [ Middle English
bales ,
balais , French
balais , Late Latin
balascus , from Arabic
balakhsh , so called from
Badakhshan ,
Balashan , or
Balaxiam , a place in the neighborhood of Samarcand, where this ruby is found.]
(Min.) A variety of spinel ruby...
Found on
http://www.encyclo.co.uk/webster/B/7

Balas ruby is a variety of spinel ruby, of a pale rose red, or inclining to orange colour.
Found on
http://www.probertencyclopaedia.com/browse/HB.HTM

A red gem variety of spinel.
Found on
https://www.encyclo.co.uk/local/20501
No exact match found.