aggregate
appke
asia
black
burst
cluster
crystal
crystalline
dalnegorsk
dioxide
geology
greece
green
hedenbergite
hydrothermal
included
inclusion
inclusions
island
isolated
matrix
mine
mineral
mineralogy
mint
needles
ore
pegmatite
prase
prasem
quartz
rock
russia
sample
serifos
silicon
specimen
stone
translucent
treasure
white