Index of Samples By Content

A

Albite

Alunite

Apatite

C

Calcite

Calcium Fluoride

Carbonate

Chromium

D

Diamond

Dolomite, saddle

F

Feldspar

Fossil

G

Granite, pitinga

M

Manganese ore

Mountains and Volcanoes

N

Nepheline syenite

P

Paint sample

Pyroxene

Q

Quartz

R

Rhyolite

S

Sapphire (cut)

Sapphire (synthetic leucosapphire)

Scapolite

Shell

Sodalite

T

Topaz

Z

Zircons