Question

Crystals of clear strontium titanate
are made into semiprecious gems.
The refractive indices for different
colors of light are as follows:
Red
Yellow
Blue
2.412
2.373 2.492
The dispersive power of strontium
titanate is​

Answer 1

Answer:

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Physical Properties: Strontium Titanate / Tausonite

Strontium Titanate (man-made) Tausonite (natural)

Color Usually colorless. Rare earth or transition metals can be added to produce red, orange, yellow, brown, blue. Red, brown, orange, gray.

Streak Colorless Colorless

Luster Adamantine Adamantine.

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