By repeated solutions in alcohol it may be obtained under the form of white, silky, acicular crystals.

By re-solution in alcohol it may be obtained under the form of colourless, prismatic, acicular crystals.

It crystallizes in the orthorhombic system, and the crystals are either prismatic or acicular in habit.

They were not small and acicular, were nearly alike in the three basins, and had effloresced only on a few minute points.

Acicular, as-ik′ū-lar, adj. needle-shaped; slender and sharp-pointed.

Usually of a white or light greenish color and vitreous lustre, in acicular crystallizations.

Nitraniline forms yellow, acicular crystals, little soluble in cold water, but freely soluble in alcohol and ether.

The picrate of silver forms beautiful starry groups of acicular crystals, having the colour and lustre of gold.

Palpi very slightly curved; second joint brown on the outer side; third acicular, a little shorter than the second.

Valve very narrow, lanceolate, acicular, with obtuse apices.