Oyster Shells

Name:
Oyster Shells
Detailed information:
Shells of Ostrea virginica, taken from the Gulf of Mexico coast in Texas and Louisiana and from Chesapeake Bay. Average analysis: CaCO₃ 93–97%, MgCO₃ 1%, silica 0.5–2.0%, SO₄ (as CaSO₄) 0.3–0.4%, also miscellaneous substances.

Use:

Source of lime, drilling muds, road beds, poultry and cattle feeds.