• (n.) Alt. of LumachellaFound on http://thinkexist.com/dictionary/meaning/lumachel/
Lu'ma·chel Lu`ma*chel'la noun [ French lumachelle , Italian lumachella , from lamachella a little snail, dim. of lumaca a snail, from Latin limax , -acis .] (Min.) A grayish brown limestone, containing fossil shells, which reflect a be...
Found on http://www.encyclo.co.uk/webster/L/68
Lumachel is a greyish brown limestone, containing fossil shells, which reflect a beautiful play of colours. It is also called fire marble, from its fiery reflections.
Found on http://www.probertencyclopaedia.com/browse/HL.HTM
No exact match found