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Question:
Gemstone of hydrated silica
Answer:
OPAL
Length:
4
Similar Crossword Questions:
It's a form of hydrated silica
Stone made of hydrated silica
Like a gemstone
October gemstone
January gemstone
Blue gemstone
Brightly colored silica
Silica mineral
Fall gemstone
Iridescent gemstone
Gemstone's unit
Hydrated sodium carbonate
Nevada gemstone
Silica ___ (desiccant)
Azure gemstone
Violet gemstone
Silica derivative
Common name for hydrous silica
Gemstone from Down Under
Gemstone weight measure
Reddish-brown gemstone
Silica product
Blue gemstone, familiarly
Gemstone
Porous gemstone