quartz

21

agate

14

chalcedony

7

fluorite

6

cairngorm

5

hematite

5

quartz, smoky

5

almandine

4

galena

4

pyrite

4

calcite

3

feldspar

3

jasper

3

muscovite

3

oil

3

orthoclase

3

pyrolusite

3

amethyst

2

chalcopyrite

2

fluorspar

2

garnierite

2

gypsum

2

kyanite

2

microcline

2

opal

2

prehnite

2

quartz, rose

2

riebeckite

2

sphalerite

2

sulphur

2

actinolite

1

amazonstone

1

antigorite

1

azurite

1

baryte

1

baryte, fluorite, galena

1

biotite

1

blende

1

bloodstone

1

celestine

1

cerussite

1

crocidolite

1

cuprite

1

dolomite

1

feldspar, plagioclase

1

hornblende

1

Iceland spar

1

jadeite

1

labradorite

1

lapis lazuli

1

lazurite

1

malachite

1

model (Cullinan Diamond)

1

nephrite

1

orpiment

1

plagioclase

1

quartz & agate

1

quartz, ferruginous

1

quartz, milky

1

realgar

1

selenite

1

serpentine

1

stibnite

1

tourmaline

1

tremolite

1