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20 answers for: Hard mineral consisting of silicon dioxide in crys...
RANKANSWERCLUE
QUARTZHard mineral consisting of silicon dioxide in crystal form (6)
SIDEOn the edges of silicon dioxide in Dublin, for example (4)
CARBORUNDUMA hard black solid consisting of silicon carbide, used as an abrasive (11)
ZIRCONZinc or rocky mineral in crystal form (6)
QUARTSThey are sometimes said to be a measure of silicon dioxide (6)
GALENAInformation about fellow finding a grey mineral consisting of lead sulphide (6)
DRYICESolid carbon dioxide in cubes placed around edges of rockery (3,3)
SILICASilicon dioxide occurring naturally as quartz (6)
DETECTSpot flaw in crystal when fluorine's replaced by tritium (6)
HUMBERHard mineral in estuary (6)
LACILYHow ice crystals form
METHDrug in crystal form
SNOWSPrecipitates in crystal form
CYANIDEA potentially deadly chemical that exists as a colourless gas or in crystal form (7)
SPINELA hard mineral
SANDMass of rounded grains made up mostly of silicon dioxide as quartz (4)
OPALForm of silicon dioxide
ENSTATITEMineral consisting of magnesium silicate in crystalline form (9)
DOLOThis cultivar of Sambucus nigra is a translucent mineral consisting of a carbonate of calcium and magnesium! (4,4)
MITEThis cultivar of Sambucus nigra is a translucent mineral consisting of a carbonate of calcium and magnesium! (4,4)