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Birthstone of the Month - Tanzanite, Turquoise and Zircon


Treasured for its rich violet blue color, Tanzanites are exclusively found in the East African state of Tanzania, where they were discovered in the late 1960s. Colors range from ultramarine blue to light violet blue and are often heat-treated.

Tanzanite is a variety of the gemstone zoisite, a calcium aluminium silicate, is not particularly hard, having a value of 6.5 to 7 on the Moh’s scale. For this reason, it should always be worn carefully and never placed in an ultrasonic bath for cleaning or brought into contact with acids.


One of the oldest known gemstones, Turquoise is a copper aluminum phosphate with a hardness of 6 on the Moh’s scale. Being relatively soft, Turquoises are sensitive and sometimes treated with wax or synthetic resin to harden them. Turquoises occur in a wide range of hues from the highly regarded sky blue to grey-green, the blue color being created by copper and the green by bivalent iron and a certain amount of chrome.

For thousands of years, Turquoise has been highly regarded in many cultures of the Old and New Worlds as a holy stone, a bringer of good fortune or as a talisman, worn as natural protection against the powers of darkness. In modern times, they have been said to help those suffering from depression, imbue reticent personalities with more confidence and when given as a gift, they are said to be responsible for faithfulness and constancy in relationships.

Turquoise can be found in the USA, Mexico, Israel, Iran, Afghanistan and China.


Not to be confused with Cubic Zirconia, a laboratory grown imitation Diamond, Zircon occurs in a wide range of colors, but it is Blue Zircon that is considered an alternate birthstone for December. Zircon is one of the heavier gemstones, which means that it will look smaller than other varieties of the same weight and is relatively hard at 7.5 on the Moh’s hardness scale.

It has been said that Zircon has the power to relieve pain, whet the appetite, protect travelers from disease and injury, to ensure a warm welcome, bring prosperity, promote honor and wisdom in its owner and prevent nightmares, guaranteeing a deep, tranquil sleep. 

Zircon is mined in Cambodia, Sri Lanka, Thailand, Myanmar, Australia, and other countries.

 Arthur Weeks and Son Jewelers carries a large collection of Tanzanite, Turquoise and Zircon jewelry both online and in our store. From beautiful Rings to sparkling Earrings and gorgeous Pendants, we have something for everyone in a price range for every budget.  If you don’t see exactly what you are looking for, please do not hesitate to contact us.


Introducing a New Designer 

Philippa Roberts Jewelry

Philippa Roberts Jewelry's signature look is simple, organic shapes combined with beautifully cut gemstones. Her love of the ocean plays a large role in the selection of clean, blue and green stones in many of her pieces. Philippa’s creativity stems from the nature around her, yet she also incorporates a feeling of the urban, with lines and patterns that imitate architecture and design seen around the city. Philippa creates all the original pieces by carving in wax or fabricating in metal. Her selection of new stones for each season defines how her collections will come to life.  


Welcome to our Webstore!

From the opening of our family store in 1896, four generations of fathers and sons have built our family business and proudly helped generations of families and loyal customers find the perfect gift to mark life's special occasions. Now, all of that knowledge, commitment and stunning selection is available right here.

John Weeks, is the fourth generation owner of Arthur Weeks and Son Jewelers and is a registered jeweler with the American Gem Society. The AGS is one of the jewelry industry’s most prestigious organizations. John also has his Diamond Degree from the Gemological Institute of America. In addition, Arthur Weeks and Son Jewelers is a member of the Jewelers of America, an A+ rated member of the Better Business Bureau, and a member of the Hudson Valley Gateway Chamber of Commerce.

  1. John has amassed a unique and beautiful collection of items perfect for every celebration or just because. Shop our store and if you don’t see exactly what it is you are looking for, email John at john@arthurweeksjewelers.com. Just like the generations before him, he is in the store and ready to help you find that perfect piece.