In his report to the canal committee, Jessop gave his opinion that the use of Crich lime, being unusually pure, had delayed the setting of the mortar.

Further exploration found that not only was the deposit large, its nickel was unusually pure.

These windows and doors, along with other elements such as brackets under the eaves, gave the barns an unusually pure Gothic Revival feel.

But, as the strands parted, the silver did not seem so hard as she had feared - it must be unusually pure and so more workable.

His photographs create an unusually pure yet frightening experience of scale.

Albite: Albite is named from the Latin albus, in reference to its unusually pure white color.

At the time, Leifs embraced a kind of Aryan-Icelandic supremacist philosophy, holding that his native land had preserved Nordic culture in an unusually pure and uncontaminated form.

The ore is unusually pure, located near the surface and easily accessible to ocean-going vessels.

The music was banal but the whistling was wonderfully sweet, with soft and pleasing notes, unusually pure, as happy and as natural as the songs of birds.