
1) Opal
Found on
https://www.crosswordclues.com/clue/girasole

(Helianthus) These are hardy herbaceous perennials or annuals found wild in North America. They produce large yellow flowers in late summer and autumn. The perennial kinds are tall and vigorous. H. decapetalus multiflorus and its double variety, Soliel d'Or, grow 4 to 5 feet high. The prettiest one is called Monarch; it is a variety of H. atroruben...
Found on
http://www.encyclo.co.uk/local/10004

Girasole (girasol) is a variety of opal which is usually milk white, bluish white, or sky blue in colour but in a bright light reflects a reddish colour. The brightest are found in Brazil and Siberia. The name is sometimes bestowed on the Asteria sapphire. One variety is known as the fire opal.
Found on
http://www.probertencyclopaedia.com/browse/HG.HTM

girasol, girasole; fire opal 1. The sunflower; literally, 'turning toward the sun', from girare, 'to rotate, to turn'. 2. An opal with brilliant flame-like yellow, orange, and red colors. 3. An opal that reflects light in a bright luminous glow.
Found on
http://www.wordinfo.info/words/index/info/view_unit/1978/
No exact match found.