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2017-03-22 Jewelry, Gems, & Minerals - necklace:

Littly tricky to tell from the picture. Looks like a tumbled amethyst, which is the purple variety of quartz (SiO2). While regular quartz is usually white or clear, amethyst ows the purple color to atomically

2017-03-10 Jewelry, Gems, & Minerals - Stamp Markings:

Dear Robin,     I see the 18k clearly but the other characters do not help me identify any other characteristics of the pin.  Am I correct in that this is a cat pin and the pin stem folds from the lower

2017-03-01 Jewelry, Gems, & Minerals - Faded gem stone:

Hello, I used to wholesale Larimore which is a light bluestone comparable to turquoise... And often we would buy the unmounted cabs always picking up the most vibrant colors... And often weeks or months

2017-02-11 Jewelry, Gems, & Minerals - Quartz crystal and sphatik:

Mineralogically speaking, Quartz and Spatik (Short for Spartikam) are the same thing, silicon oxide or SiO2. Spartikam is the name for Quartz in prominent Indian languages and is a sacred stone in the

2017-02-03 Jewelry, Gems, & Minerals - Reversable,White and Yellow solid gold Omega necklace:

Hi, Robert,    As long as you purchase a higher quality necklace, all will be fine.  If vermeil or plated sterling silver, yes, in time yellow will wear away.  If gold and quality marked 10k, 14k or 18k


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