The Collaborative International Dictionary
Hammochrysos
Hammochrysos \Ham`mo*chry"sos\ (h[a^]m`m[-o]*kr[imac]"s[o^]s), n. [L., fr. Gr. "ammo`chrysos; "a`mmos, 'a`mmos, sand + chryso`s gold.] A stone with spangles of gold color in it.
Wiktionary
hammochrysos
n. A stone with spangles of gold color in it.