![]() ![]() They were marketed by Hobe' as "Mayorka Petals" in 1962, however, so remainder stock was likely used for those pieces. Marner closed its doors in 1957, so jewelry made by Marcella's company using these glass stones can most often be dated to the early to mid-1950s. These glass stones are seen in a variety of colors including varying shades of pink, blue, and green, some with swirls of copper (like those shown here) having a similar look to Venetian glass beads. They were also used in pieces Marner made (referred to as "jobbing" in the jewelry business) for other brands such as Kramer, Hobe' and Hattie Carnegie. ![]() These were used in jewelry with Marner's branding marked most often Jewels by Julio or Julio Marcella, according to information provided in an article by Cheri Van Hoover on. Marner of Providence, R.I., founded in 1946 and eventually solely owned by Julio Marcella, produced high-quality costume jewelry and jewelry components, including the patented lampwork glass heart-shaped stones incorporated in this vintage necklace marked "Hobe'." As often happens with nicknames applied by collectors and dealers of vintage jewelry, this one stuck. It came about in the early 2000s when a marketer somewhere decided that romanticizing an imitation stone like this one had the potential for increasing sales. Use of the term "dragon's breath" to describe this type of stone is relatively new. These stones are very often set in sterling silver, and some are of Mexican origin.ĭragon's breath stones are often represented as jelly opals or fire opals in error as those are natural semi-precious gemstones rather than manufactured glass, but describing them as Mexican opal glass (as found on vintage packaging) stones is less misleading. These are most often cabochons (see above) in round or oval shapes which are unfoiled and transparent, but some faceted examples were used in mid-century costume jewelry. They were first used in jewelry in the early 1900s to simulate fire/jelly opals. Flashes of color from within the stone are known as the "breath" from which the name is derived. Note: These glass stones should not be confused with cat’s eye chrysoberyl or quartz, or simulated versions of these stones, which are usually a milky yellow or in gray color (but can be found in other variations) and feature a line down the center mimicking a feline’s pupil.Ī collector's nickname for stones made of glass mixed with metals to induce a bi-color effect ranging from red to blue with an overall bright blue or purplish cast. These are often set with rhinestones in coordinating colors in costume jewelry designs of the late 1950s and through the 1960s.ĭesigns employing this specialty stone are very popular with collectors of vintage costume jewelry. Juliana (DeLizza & Elster), Hollycraft, and Hobe, along with other manufacturers, used “cat’s eye” foiled cabochons in their mid-century jewelry designs. Usually round or oval, but occasionally found in marquis or other shapes, each stone in the same color family is slightly different due to variations in the foil. Our Estimating Guide (PDF) helps you visualize the result of rhinestones placed with different spacing.While these stones are usually referred to as "opal" with the associated color such as green opal or blue opal (as noted on original packaging of vintage stones) by stone resellers, a“cat’s eye” is a widely used collectors nickname. These clear cabochon stones are made by backing a piece of domed glass with the foil of varying colors.These stones typically have holes at opposite edges of the stone to allow you to securely sew the stone to the material. It features two rulers (inches and millimeter), holes to measure rhinestones, a formula for estimating a row of rhinestones and a size chart. Flat Back Sew-On (Edge-Hole) Rhinestones come in a variety of shapes and sizes, from round to heart-shape to teardrops, and many more. The Rhinestone Sizing Tool is an instant reference for measuring and estimating rhinestones.(When printing, set Scaling to "None" or 100%.) Sequin sizes are also included. A printable rhinestone chart (PDF) is also available to download and print. ![]() We recommend printing the downloadable PDF. Please note that due to differences in computer screens and printers, this chart should be used as an approximation. The rhinestone size chart below shows relative sizes of each. Millimeter (mm): Used across the board, especially with stone shapes.Pearl Plate (pp): Usually used with pointed back stones in the classic round shape.Stone Size (ss): Usually used with flat back stones in the classic round shape.There are three standards used to measure rhinestone sizes:
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