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3 specimens listed
Page   1 |

Conichalcite with Calcite
stock #21.1-177
Mina Ojuela, Mapimi
Durango, Mexico
7.4 x 5.6 x 3.7 CM (cabinet)
price: $850
Late Summer 2021

A fine and unusually esthetic Conichalcite from the mid 1970 finds at the legendary Mina Ojuela. This piece looks great on three sides, the Conichalcite forms vivid small green spheres some with clear sharp Calcite crystals. On one face of the specimen the Conichalcite balls have formed selectively over Goethite rods or "fingers". On another side the Calcites have grown over the Conichalcites which allow the bright green color to shine through. Conichalcite is not rare from Ojuela but such large, showy and esthetic specimens are rare. Excellent example of this important specie and very fine for this classic mine as well.

Calcite on Conichalcite and Malachite
stock #20.1-712
Mina Ojuela, Mapimi
Durango, Mexico
4.7 x 2.8 x 2.6 CM (miniature)
price: $120
new year 2021

A cute and colorful miniature from the great Mina Ojuela. Transparent Calcites are included by a fibrous Malachite and sit on a mixture of botryoidal Conichalcite and Malachite. This could be trimmed to a thumbnail size but this is very nice as is. In fine condition as seen, this is a very good example of an esthetic but affordable specimen, carefully selected from amongst a huge number of average level specimens.

Conichalcite with Hemimorphite
stock #1139-JM-4105
Bristol Silver Mines, Lincoln County
Nevada, United States
11 x 8.3 x 5 CM (cabinet)
price: $300
pre Tucson 2015 update

A very unusual and significant US specimen, a sizable cabinet piece with excellent color and form from this little known locale. Ex John Marshall collection, John's collection catalog notes that he has only ever seen 3 specimens from this location, this being the best. The deep green Conichalcite is composed of small balls with bright "wet" luster that are offset on the lighter colored Hemimorphite. With magnification it seems there may also be some Aurichalcite on this specimen but that is not confirmed. A fine display piece that is as good as any US Conichalcite from anyplace. Better in person.