CRYSTALLIZATION

Duration: 20 min

Creator: Bray Pictures Corporation

Format: 16mm

Sound: Silent

Description: Part one reveals by means of the microscope the artistry of nature's creation of crystals in the form of icicles and snow flakes. Many of nature's imperishable crystals are also shown, such as quartz, amethyst, and salt, and some from the metals. Part two shows by experiments under the microscope how crystals are formed, their peculiarities of growth, and determining factors in shape. Film showing various crystalline forms and their process of formation. Film goes from common crystals to lesser known.

Complete Record: Dewey number: 548 Audience level: sh-c Format/cost: 16-sl-$25; rent $1.50 Distributors / rental: Bell & Howell Company $25; rent $1.50; University of California $2; Syracuse University $1.50

Metadata Source:Educational Film Guide 1946