Blood stone is Plasma with red sports of iron oxide. Plasma is dark green, opaque chalcedonly quartz with the color coming from the chlorite.
If any one has more information with regard to this item I would appreciate your sending to me. It is not Trifari because their is virtually no unsigned Trifari from this time frame. Trifari's adds state that jewelry they make is not authentic unless it is stamped "Trifari" with the possible exception of the early 1930s.**This information was provided by legallyblond8016, a major Trifari collector.
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This bracelet is 1 3/4" wide, 7" in circumference with a diameter of 2 1/8".
Ref: Fabulous, Kenneth Jay Lane Jewelry and accessories by Nancy N. Schiffer 2007, page 203
It is in excellent vintage condition. Circa 1941 It is 2" x 1"
Ref: Collectors Guide to Costume Jewelry by Tolkein & Wilkinson, p 75. Ref: Costume Jewelry (Confident Collector) by Harrice Miller p. 156.157 Ref: 20th Century Costume Jewelry by A Gordon, p. 177 Ref: American Costume Jewelry- Art and Industry by Brunialti, 2008 Vol 2. p 97
This brooch is unsigned. The cartouche with the name is missing or never put on . DeNicola figural brooches often have the star which is the difining characteristic of the designer in this series of 12 brooches. I have seen this item listed as hight as $750.00