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Guest Article: Use of XRF in Identification of Turquoise Treatment. Neil Ray
The Use of XRF in Analyzing for Turquoise Treatment Neil Ray (Neil Ray is a geologist who has been active in developing X Ray Florescence...
Mike Ryan
Aug 9, 2024


The First American Turquoise Rush Part Two
Diorama of Pecos Pueblo. In Part Two Mike continues the story of the early turquoise miners and honors their contribution to the history...
Mike Ryan
Aug 8, 2024


The First American Turquoise Rush
Cerrillos turquoise mined by San Marcos Pueblo. Readers of Turquoise in America Part One, The Great American Turquoise Rush, 1890-1910...
Mike Ryan
Aug 1, 2024


A Geologists Explanation of Testing
Lander Blue and one Chinese Mike Ryan- There has been a great deal of interest in the X Ray Florescence (XRF) method of testing turquoise...
Mike Ryan
Jul 28, 2024


Collections and Buying Turquoise
Gem grade Canderlaria from the Wayne Nelson Collection Provenance and grade are the two main determinants of price. One way to establish...
Mike Ryan
Jul 22, 2024


Turquoise as an Investment
I had a thirty year career as a financial planner and investment advisor so I have some experience to draw on when it comes to...
Mike Ryan
Jul 20, 2024


Gem Grade Part Two
Gem Grade Pilot Mountain Grading turquoise is difficult. In this video Mike discusses the highest grade, the elusive Gem Grade, and we...
Mike Ryan
Jul 13, 2024


Best of the Callais Collection
Very High Grade Godber Burnham. In this video Mike describes the Callais Collection and we see some high grade selections.
Mike Ryan
Jun 16, 2024


Turquoise Grade
The same mine may show different grades. In this video Mike looks at different grades from Thunder Mountain. Gem Grade Thunder Mountain
Mike Ryan
Jun 6, 2024


Interview With Joshua Bingham
Gem Grade Thunder Mountain. Joshua is a master jeweler known for his use of fine turquoise. In this interview he explains his process and...
Mike Ryan
May 31, 2024


C.G. Wallace and Turquoise
C.G. Wallace had a storied career as an Indian trader. He was also important to the turquoise trade. In this video we learn why.
Mike Ryan
May 24, 2024


Bisbee Part Three
Bisbee is an iconic turquoise, the favorite of many. In this video Mike discusses the early period and we see some photos from the...
Mike Ryan
Apr 29, 2024


Thunder Mountain and Grasshopper
Thunder Mountain are two lesser know turquoise mines in Nevada with low recent production but showing some beautiful turquoise. Shown is...
Mike Ryan
Apr 13, 2024


Hidden Valley
Hidden Valley is a rare turquoise with a mysterious past. In this video Mike discusses the history and we see some beautiful turquoise.
Mike Ryan
Mar 26, 2024


Villa Grove
Villa Grove has a long and storied history. In this video Mike discusses Villa Grove and we see some beautiful turquoise. Pictured are...
Mike Ryan
Mar 6, 2024


Identification of Turquoise and Grade
Turquoise identification is difficult. In this new study there is evidence that testing for trace elements provides a reliable footprint...
Mike Ryan
Feb 28, 2024


What is Beauty? An Update.
The stories of turquoise unfold before us in a never ending stream. As a historian I no longer finish one story to have it continued by...
Mike Ryan
Feb 14, 2024


Papoose Turquoise
Papoose is a little known turquoise mine with very small production. In this video Mike tells a bit about the history and we see a...
Mike Ryan
Feb 13, 2024


eBooks Publication
Turquoise in America is the first comprehensive history of turquoise covering one hundred thirty years in three volumes. These physical...
Mike Ryan
Feb 8, 2024


Cripple Creek Turquoise
Colorado has a long history of turquoise mining. The history is found in Turquoise in America Parts One and Two. While King Manassa and...
Mike Ryan
Jan 27, 2024
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