Menu

Amazonite and Smoky Quartz Specimens from Florissant, Colorado

Amazonite and Smoky Quartz from the Pikes Peak granite of central Colorado is one of the few American mineral combinations that stands beside anything produced anywhere in the world. The blue-green Microcline against dark, sharply terminated Smoky Quartz is instantly recognizable, and collectors who specialize in it can usually name the claim and often the pocket a specimen came from. Every Colorado piece we carry comes from the Smoky Hawk Mine at Florissant, Teller County, or the immediate Florissant area.

Azurite and Malachite

Azurite and Malachite Specimens from Bisbee, Tsumeb, and Beyond

Azurite and malachite are the two minerals that made copper districts famous with collectors across the globe and still do today. Both are copper carbonates formed in the oxidized upper zones of copper deposits, and they occur together constantly, which is why a single specimen so often carries both. What we carry in this category is small, deliberately chosen, and unusually well documented: most pieces come with a named chain of prior ownership going back decades.

Featured Azurite and Malachite Specimens

Why the two minerals occur together?

Azurite and malachite are chemically close relatives, both hydrated copper carbonates, separated mainly by their water and carbonate content. Azurite is the less stable of the two at the surface, and over geologic time it converts to malachite. That conversion produces one of the most collectible forms in the species: malachite pseudomorphs after azurite, where the green mineral has replaced the blue crystal while preserving its original shape. Partial replacements, with a blue core inside a green shell, are especially desirable when the transition is clean and visible.

Bisbee, Cochise County, Arizona

Bisbee is the name that carries the most weight in American copper mineralogy. The Copper Queen and the mines that followed produced azurite of a saturated, almost electric blue that collectors have referenced for a century, alongside superb malachite. Underground mining at Bisbee ended in the mid-1970s, so every Bisbee specimen on the market today comes out of an old collection. There is no new production. Supply moves only when collections are broken up, condition depends on how carefully a piece was stored for fifty years or more, and documented provenance carries real weight.

We treat Bisbee attribution carefully. If a piece came with a dated collection label we say so. If it is attributed to Bisbee without documentation, we say that too, because the name is valuable enough that attribution alone is not proof.

Tsumeb, Oshikoto Region, Namibia

Chinese copper localities

Big Indian Copper Mine, La Sal, Utah

What makes a fine azurite or malachite specimen

Care and display

What we currently carry

Frequently Asked Questions

Both are copper carbonate minerals from the oxidized zone of copper deposits. Azurite is deep blue and less stable at the surface. Malachite is green and more stable. Azurite converts to malachite over time, which is why the two so often appear on the same specimen.

No. Underground mining at Bisbee ended in the mid-1970s. Everything available today comes from old collections, which is why documented provenance and original labels carry real weight.

A specimen where malachite has chemically replaced an azurite crystal while preserving its external shape.

The best Chinese azurite competes directly with historic Arizona material on color, luster, and crystal form, and it typically costs less because the name carries less weight. Both of our Chinese pieces would be mistaken for old Arizona specimens by most collectors.

Under normal indoor display conditions, no. Alteration requires sustained humidity over long periods. Keep specimens dry, out of direct sun, and away from ammonia-based cleaners.

Dust with a soft dry brush only. No ultrasonic cleaners, acids, or household cleaning products. If a piece needs more than dusting, ask us first.

Browse available azurite and malachite specimens

Every specimen is photographed as received and described with full locality, size, condition, and the documentation that came with it. Looking for a specific locality or size? Contact us and we will tell you what is in hand and what we are tracking.

Sign Up for Updates on Our Latest Specimens

Welcome to our exclusive mineral collector community! By filling out this form, you are taking the first step toward receiving personalized recommendations from Frank, our expert curator.

Stay informed about the latest additions to our collections and discover mineral recommendations tailored to you.

Sign Up for Updates

Please enable JavaScript in your browser to complete this form.
=
Checkboxes