"The Mystery of Lyle and Louise"

Gray to white, coarse crystalline, carbonate rock.

Pure translucent to white, rhombic cleavages, Mohs’ hardness of 3.

Nearly pure, green crystalline forsterite.

Red-brown to gray, coarse-grained, containing feldspar and mica.

Silvery, paragranite and muscovite-rich with medium garnet crystals.

Dark, waxy, bitumin-rich.

CAS Number: 10361-37-2
Formula Weight: 208.27
Formula: BaCl₂
Hazard Info: Toxic
Density (g/mL): 3.9
Boiling Point (°C): 1560
Freezing Point (°C): 963
Solubility: Water
Synonyms: Barium Dichloride
Shelf Life (months): 36
Storage: Blue

Museum mounts are the ideal supplement for classroom dissection.

Brown, earthy, massive; used for yellow pigment.

CAS Number: Mixture
Formula: CaCl₂
Freezing Point: 772 °C
Shelf Life: 12 Months
Storage: Green

Construct Numerous Key Biochemicals with One Kit.

Fine crystalline, pure calcite.

Red, classic oolitic texture.

CAS Number: 584-08-7
Formula: K2CO3
Density: 2.428 g/mL
Freezing Point: 891°C
Solubility: Water
Synonyms: Potash, Carbonic Acid Dipotassium Salt
Shelf Life: 12 Months

A basic introduction to DNA.

Features two identical flat spatula ends. Perfect for a variety of laboratory uses.