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RM2516   Benitoite

California State Gem Mine, New Idria Mining District, Santa Rita Peak, San Benito Co., California, United States

Very good size crystal of benitoite, a rare barium and titanium silicate, rich in faces, highlighting those of the trigonal dypraramid, together with those of the hexagonal dypyramid and the pinacoidal faces. Intense color and translucent. It has a small dent in one edge, common in these specimens without affecting the aesthetics of the specimen. On matrix.


Size: 5 x 4.1 x 3.6 cm.
Main crystal: 1.6 cm.
Found in ca. 2003.

Col. Marí-García (Castelló) #0.520
Type Locality
 

RM1609   Hydromagnesite

Artinite pit, Clear Creek area, Picacho Peak,, New Idria, San Benito Co., California, United States

Good sized hydromagnesite specimens from this mine and with this quality are uncommon. On the rocky matrix, several globular aggregates of transparent crystals, with a white aspect. Brilliant and very rich specimen. Specimen originally in the collection of Hubin (Belgium).


Size: 8.5 x 6.5 x 4.0 cm.
Main crystal: 3 mm glob.



 

RM1409   Desautelsite con artinite

Artinite pit, Clear Creek area, Picacho Peak,, New Idria, San Benito Co., California, United States

A specimen for systematic collectors... A large group of needle-like colorless crystals (prismatic) of artinite, forming aesthetic rosettes. But in this sample we highlight some aggregates of desautelsite crystals, a rare manganese and magnesium carbonate found in very few locations. They are orange crystals forming groups together with the artinite.


Size: 4.3 x 1.6 x 1.8 cm.

 

RM1410   Desautelsite con artinite

Artinite pit, Clear Creek area, Picacho Peak,, New Idria, San Benito Co., California, United States

A specimen for systematic collectors... A large group of needle-like colorless crystals (prismatic) of artinite, forming aesthetic rosettes. But in this sample we highlight some aggregates of desautelsite crystals, a rare manganese and magnesium carbonate found in very few locations. They are orange crystals forming groups together with the artinite.


Size: 4.4 x 2.4 x 1.4 cm.

 
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