Minerals 1

#CI129 $140.00

CASSITERITE Santin Mine, Guanajuato , Mexico
ex. U.S. National Museum Specimen

A lustrous grouping of jet black Casitterite formerly in the Smithsonian collection.
The Cassiterite is well formed into tiny, highly lustrous crystals that could not be picked up very well by my camera. Number on label matches that on the specimen.

#CJ121 $380.00

SIDERITE after CALCITE
Oasului Mountains, Maramures, Romania

A cabinet sized specimen of dark tan colored Siderite which formed over a long ago removed Calcite. The fact that these are now shells is evident on the sides and back of the specimen. In addition, the bottom image not only shows the Pyrite and Sphalerite that is also present on the back of the specimen, you can additionally see that tiny, white Calcite crystals have formed inside the shells of Siderite. The entire front face of the specimen is in good condition and is covered in small, highly iridescent Siderite crystals.

The specimen measures 16.2 x 13.5 x 6.5 cm.

#CB124 $45.00

MANGANOCALCITE Pachapaqui, Peru

3 x 1½ x 1½" high - deep pink color with numerous, small, white Quartz crystals on the surface and bright, Pyrite crystals in the center fold.

#CG51 $32.00

AZURITE
Jiangxi Prov., China

Long, thin, dark blue blades of Azurite extend almost the entire front face of this 2 x 1½ x ¾" specimen which also has a spot of Malachite at the bottom.

All of the following specimens are HEMIMORPHITE
from the Wenshan Mine, Yunnan Prov, China. All of the Hemimorphite is quite lustrous and comes in various shades of turquoise. These pieces were selected from a group that was put in storage some time ago and recently made available.

#Ci8 $58.00

3 x 3 x 2"

Great coverage on two sides of this triangular shaped specimen. Matrix with Hemimorphite present on the third side along with contact matrix at the very top point of the specimen.

Ci9 $35.00

2.75 x 2.5 x 0.25"

Thin, natural slice of Hemimorphite with various shades of turquoise present on this front face. The line on the right side of the specimen is not a crack but an elevated plate of the Hemimorphite farther to the right.

#CD186 $68.00

SELENITE Fuentes de Ebro, Zaragaoza, Spain

The main water clear Selenite crystal on this specimen measures 1½ x 5/8 x 1/8" and is attached to a base of likewise, small, water clear Selenite which in turn in attached to a white Selenite base. There is a second Selenite crystal that extends perpendicular and is attached to this main crystal. The measurements of this specimen are 2¾ x 2½ x 2".

#CE235 $42.00

SELENITE - "Ram's Horn"
Bustillos Mine
Santa Eulalia, Chihuahua, Mexico

Bright white, iridescent and striated Selenite takes on this curved shape in this
1¾ x 1 x 1" specimen that is glued to a clear plastic base.

#CG127 $40.00

AZURITE with MALACHITE
Blue Grotto Prospect La Sal, San Juan Co.,UT

3 very deep royal blue spheres of Azurite dominate this 1.25 x 0.75 x 1 " specimen. The largest sphere, located at the top of the specimen in the image above, measures 0.75 x 0.75 x 0.75 " and is complete and in great shape. Properly orientated, all three spheres are can be seen. Not to be redundant, but the blue is highly lustrous and the deepest blue you would associate with Azurite.