The General Rock and Mineral Collection is a basic, colorful rock and mineral kit that contains twenty-four items and paperwork identifying and explaining them.

Minerals  
quartz 
feldspar 
mica-muscovite 
mica-biotite 
calcite 
hornblende 

Metamorphic Rocks
mica schist 
slate
quartzite
gneiss 
talc
marble 

Igneous Rocks
volcanic cinder
obsidian
basalt
porphyry
granite-fine-grained
granite-coarse-grained

Sedimentary Rocks
shale
sandstone
arkose
conglomerate
tufa
limestone