Tally, opal!

Article Abstract:

A survey of 'Lapidary' readers on opal appreciation shows interesting results. The best-known varieties are Australian black and Australian crystal. Color favorites are black and white. Preferred play-of-color mix is red, orange, green and blue. Only 15% of respondents have opal collections, but 50% have cut opal. Twenty-three percent prefer opal over other cabochon gems.

Cover Story, Appreciation, Surveys, Opals, Precious stones

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Set-in-stones

Article Abstract:

Some mosaics are made of ceramic or glass whereas others are made of pebbles or mixed materials. Mosaics are made for indoor and outdoor decorations. The virtue of backing is that the finished mosaic is movable rather than forever fixed in its original position, and the two methods namely, direct and reverse used to place stones are discussed.

Methods, Decoration and finishing, Design, Decorative, Decorative arts, Decoration and ornament, Mosaics

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Petrified

Article Abstract:

Petrified wood has numerous uses such as for tiles, table tops, materials for fireplaces, book ends, carvings and clock cases. Techniques for polishing petrified wood are discussed.

Usage, Trees, Fossil, Fossil trees

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