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Tourmaline
Rhodochrosite with Hubnerite & Quartz from Colorado
by Dan Weinrich

Rhodochrosite with Hubnerite & Quartz from Colorado

by Dan Weinrich

Rhodochrosite (Pseudomorph after Calcite) from Greece
"This beautiful specimen is an extraordinary example of pseudomorphosis, wherein the original mineral (calcite) left its distinct crystal form and was replaced by a new mineral, the pink rhodochrosite. Thus, this specimen illustrates the typical characteristics of rhodochrosite—pink color, a greater hardness and weight than calcite, and a chemical composition primarily composed of manganese—but it will retain forever the original form of its calcite host. It was coated lightly at a later time in its history by a light crust of tiny colorless quartz crystals. There are a number of small pyrite crystals down one side of the matrix".
by World’s Finest Minerals and Crystals

Rhodochrosite (Pseudomorph after Calcite) from Greece

"This beautiful specimen is an extraordinary example of pseudomorphosis, wherein the original mineral (calcite) left its distinct crystal form and was replaced by a new mineral, the pink rhodochrosite. Thus, this specimen illustrates the typical characteristics of rhodochrosite—pink color, a greater hardness and weight than calcite, and a chemical composition primarily composed of manganese—but it will retain forever the original form of its calcite host. It was coated lightly at a later time in its history by a light crust of tiny colorless quartz crystals. There are a number of small pyrite crystals down one side of the matrix".

by World’s Finest Minerals and Crystals

Rhodochrosite with Quartz and Tetrahedrite from Colorado by Dan Weinrich

Rhodochrosite with Quartz and Tetrahedrite from Colorado by Dan Weinrich

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