ClipArt ETC
"The crystalline form of copper sulphate." — Hallock, 1905

Copper Sulphate

"The crystalline form of copper sulphate." — Hallock, 1905

This form shows the planes given on a crystal of hydrous nickel sulphate: the basal pinacoid, (c); three pyramids of the second order, (m), (o), and (q); two pyramids of the first order, (n) and (p); and the prisms of the first and second orders, (r) and (s).

Hydrous Nickel Sulphate

This form shows the planes given on a crystal of hydrous nickel sulphate: the basal pinacoid, (c); three…