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Here we cover recent collections we've acquired, specimen mining project updates, show reports, and educational articles we've written on mineral collecting and mineral localities.

New Quartz v. Amethyst “Grape Agate” Specimens from Mamuju Area, West Sulawesi Province, Indonesia

Collector’s Edge Minerals, Inc. has just acquired some fantastic new quartz v. amethyst specimens from the Mamuju Area of West […]

2020 Denver Show Report

The 2020 Denver Gem and Mineral Show was a Success! While it was a little different this year with the […]

Superb, New Amethyst Specimens from Las Vigas, Veracruz, Mexico

Shortly after the 2020 Tucson Gem and Mineral Show, the Collector’s Edge acquired an impressive new batch of Amethyst quartz […]

2020 Detroit City Mine Update

Detroit City Portal at the Sweet Home Mine: Spring 2020 Update            Spring is in the air here in […]

The Sweet Home Mine, Park County, Colorado, USA

Collector’s Edge Minerals, Inc. recognizes and thanks the Mineralogical Record for permission to use portions or all of their original […]

The Sweet Home Mine, Alma, Park County Colorado – 2

OTHER MINERALS: The Sweet Home mine rhodochrosite crystals have overshadowed reports of the other species from the mine (Caplan, 1936).  […]

Benitoite Gem Mine, San Benito County, California

INTRODUCTION: Benitoite is one of the world’s rarest gemstones and possesses many uni que qualities compared to other gems. It […]

The Wutong Rhodochrosite Mine, Guangxi Zhuang Autonomous Region, China

Collector’s Edge Minerals, Inc. recognizes and thanks the Mineralogical Record for permission to use portions or all of their original […]

Two Point Amazonite Mine, Teller County, Colorado

INTRODUCTION:   In June, 1997, a beautiful pocket of blue-green microcline (v. amazonite) specimens was discovered in the classic Lake […]

Two Point Amazonite Mine, Teller County, Colorado – 2

Amazonite:  K(AlSi3O8) Amazonite is a green microcline feldspar, with a hardness on the Moh’s scale of 6-6-1/2.  It forms in […]

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