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2. Crystal ball - Wikipedia

   en.wikipedia.org/wiki/Crystal_ball

   A crystal ball is a crystal or glass ball commonly used in fortune-telling. It is generally associated with the performance of clairvoyance and scrying . Used since Antiquity , crystal balls have had a broad reputation with witchcraft , including modern times with charlatan acts and amusements at circus venues, festivals , etc.

3. Ball lens - Wikipedia

   en.wikipedia.org/wiki/Ball_lens

   The focal length of a ball lens is a function of its refractive index and its diameter. The effective focal length (EFL) of a ball lens is much larger than the back focal length (BFL), the distance from the back surface of the lens to the focal point. Ball lenses have the shortest possible focal length for a given lens diameter (for a spherical ...

4. Yard globe - Wikipedia

   en.wikipedia.org/wiki/Yard_globe

   A gazing ball in a garden located in Breda, Netherlands. A yard globe (also known as a garden globe, gazing ball or chrome ball) is a mirrored sphere displayed as a lawn ornament, typically atop a conical ceramic or wrought iron stand. Sizes ranges from 1 in (25 mm) up to 10 m (33 ft) in diameter, with the most popular gazing ball being 12 in ...

5. Glass - Wikipedia

   en.wikipedia.org/wiki/Glass

   A glass building facade. Glass is an amorphous (non-crystalline) solid.Because it is often transparent and chemically inert, glass has found widespread practical, technological, and decorative use in window panes, tableware, and optics.

6. Garden ornament - Wikipedia

   en.wikipedia.org/wiki/Garden_ornament

   Early examples of the use of garden ornaments in western culture were seen in Ancient Roman gardens such as those excavated at Pompeii and Herculaneum.The Italian Renaissance garden and French formal garden styles were the peak of using created forms in the garden and landscape, with high art and kitsch interpretations ever since.

7. Cloisonné - Wikipedia

   en.wikipedia.org/wiki/Cloisonné

   The Byzantines perfected a unique form of cloisonné icons. Byzantine enamel spread to surrounding cultures and a particular type, often known as "garnet cloisonné" is widely found in the Migration Period art of the "barbarian" peoples of Europe, who used gemstones, especially red garnets, as well as glass and enamel, with small thick-walled cloisons.