Friday, January 18, 2019
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Red Mountains of Colorado

On The Rocks: Colorado Mine Camp Lore

By Bob Jones While in Denver enjoying the excellent shows, I hope you have planned extra time so you can do some sightseeing in Colorado....
Cuprite, Milpillas Mine

De Colores: Milpillas, Sonora

Editor's Note: This is one of 10 Mexican locales recognized for mineral production. View the rest of the list as part of an article...
Wulfenite

De Colore: Los Lamentos, Chihuahua

Editor's Note: This is one of 10 Mexican locales recognized for mineral production. View the rest of the list as part of an article...
Ram's horn selenite

Rock & Gem Kids: Considering Clinochlore

Chlorite Group (Mg,Al)6(Si,Al)4O10(OH)8 Clinochlore is in the chlorite group of minerals. Its name comes from the Greek words klino (“to incline”) and chloros (“green”) because it...
Grinding the outer diameter

Bench Tips: Mounting a Turkish Stick Agate Cab Part II

By Bob Rush In a previous article I discussed how to select, orient and cut a cab out of Black Turkish Stick Agate. In this...
Fluorite Ojuela Mine

De Colores: Ojuela Mine, Durango

Editor's Note: This is one of 10 Mexican locales recognized for mineral production. View the rest of the list as part of an article...
Quartz var. amethyst, Piedra Parada

De Colores: Las Vigas Veracruz and Amatitlan

Editor's Note: This is one of 10 Mexican locales recognized for mineral production. View the rest of the list as part of an article...
Rhodochrosite, Potosi Mine

De Colores: Santa Eulalia, Chihuahua

Editor's Note: This is one of 10 Mexican locales recognized for mineral production. View the rest of the list as featured in an article...

De Colores: Fresnillo, Zacateca

Editor's Note: This is one of 10 Mexican locales recognized for mineral production. View the rest of the list as featured in an article...

De Colores: Boleo, Baja

Editor's Note: This is one of 10 Mexican locales recognized for mineral production. View the rest of the list as featured in an article...

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