alloy
background
basic material
chemical
chemical element
chemistry
crystal
element
elemental
freiberg
geology
glossy
group
high purity
highly pure
industrial
industry
isolated
mashed potato
material
metallic
metallurgy
mineral
mineral resource
mining
periodic
periodic system
polycrystalline
polysilicon
production
purity
raw
resource
science
semiconductor
shiny
si
silicon
solid
stone
very pure
white