Archive for October, 2009
Thursday, October 29th, 2009
What makes opal such a fascinating gemstone? When asked what opal looks like, most people would probably first think of the typical white base opal with little sprinkles and twinkles of color. This unique display of color is a phenomenon correctly known as play of color, not fire as it is sometimes referred to. Any […]
Tags: Australian opal, black opal, boulder opal, Brazilian opal, harlequin opal, Lightning Ridge opal, opal fossils, white opal
Posted in Custom Jewelry, Gemstone of the Month, Gemstones, Jewelry Facts, Jewelry Services | 1 Comment »
Wednesday, October 21st, 2009
A jeweler in Cabo San Lucas sold this Mexican matrix opal pendant to my client. He was very proud of the “Madonna” within the precious opal center. The white rhyolite matrix even has a “halo” or “glory” hovering over the figure! I was very interested in the inclusions, never having seen “fish scales” in opal […]
Tags: fingerprint inclusions, fish scale inclusions, John Koivula, Madonna, matrix opal, Mexican Opal
Posted in Gemstones | Comments Off on Madonna in Opal
Saturday, October 17th, 2009
Blog Photo #1 Last week, the thought occurred to me that it was time to do an anniversary blog– looking back thru the archive, turns out I had missed the anniversary by a month– our first blog was posted September 18, 2008! We started the Mardon blog with the mission of consumer protection and education. […]
Posted in Mardon Happenings | Comments Off on One Year of Blogs-Time Flies! Mission Statement
Tuesday, October 13th, 2009
The warm rich allure of gold has always attracted mankind, so much so that we seek it avidly and value it greatly. This precious metal is never thrown away, and always has value anywhere on planet Earth. Mardon Jewelers buys gold to recycle and uses recycled Harmony gold in all the products we make. Recent […]
Tags: gold refiners, Harmony gold, karat gold, London Gold, recycled gold, spot price
Posted in Featured Post, Gem Industry News, Jewelry Facts, Jewelry Services | Comments Off on How to Get the Best Price for Your Gold.
Saturday, October 10th, 2009
We recently had the privilege to work with this wonderful group of gem opals in the 7 to 10 carat category. The top row are opals from Mexico, including the orange red Fire Opal, and the others from Australia’s famous Lightning Ridge and Coober Pedy fields. The term Fire Opal refers specifically to those Mexican […]
Tags: Coober Pedy, fire opal, harlequin, Jalisco, Lightning Ridge, Llovisnando, Lluvisnando, Magdalena, Queretaro
Posted in Custom Jewelry, Gemstones, Jewelry Facts | Comments Off on Fine Opals from Mexico and Australia- a Photo Gallery
Friday, October 2nd, 2009
Blue, the color of sky, ocean, peace and tranquility has long been associated with purity and wisdom. Blue colors dominate many forms of spiritual art. Cardinals of the Catholic Church, exemplars of chastity and celestial purity, often wore rings of blue sapphire. Blue has always been an important color for mankind, so when we ask […]
Tags: beryllium diffusion, Burma, Ceylon, gem enhancements, Geuda, glass filling, heat treatment, Kashmir, Madagascar, surface diffusion
Posted in Gemstones, Jewelry Facts | Comments Off on What is the Best Color for Blue Sapphire? Part 4