Jennifer Nemitz's Photo Gallery

W9C-L8KDiopside (Var: Chromium-bearing Diopside) Ca(Mg,Cr)Si₂O₆

Sloan diatremes, State Line Kimberlite Mining District, Larimer County, Colorado, USA

Dimensions: 3.3 cm x 1.7 cm x 2.2 cm

Large bright green chromium diopside in Sloan Kimberlite matrix from the Sloan diatremes, State Line Kimberlite District, Larimer Co., Colorado. Chromium diopside is a kimberlite indicator mineral, suggesting the presence of diamonds is possible. The Sloan Kimberlite is diamoniferous, but not in economic quantities. The chromium diopside is 2.2 cm long and the specimen is 3.3 x 1.7 x 2.2 cm. In the American Kimberlite Collection of J. Nemitz.

5X9-XYXAlmandine Fe²⁺₃Al₂(SiO₄)₃

Barton Garnet Mines, Johnsburg, Warren County, New York, USA

Dimensions: 12.3 cm x 9.3 cm x 6.4 cm

Heavily fractured almandine garnet with a bit of dark hornblende from the Barton Garnet Mine (also known as Gore Mountain), Warren County, New York. Specimen is 12.3 x 9.3 x 6.4 cm but other garnets from the deposit can be double in size. In the collection of J. Nemitz.

FK8-9NPCookeite (LiAl₄◻)[AlSi₃O₁₀](OH)₈ , Quartz SiO₂

Green's Crystal Mine, Paron, Saline County, Arkansas, USA

Dimensions: 6.2 cm x 5.5 cm x 3.3 cm

Small pale green ball of cookeite on clear quartz from Green's Crystal Mine, Paron, Saline Co., Arkansas. The ball of cookeite is approximately 6mm in diameter and the specimen is 6.2 x 5.5 x 3.3 cm. In the collection of J. Nemitz.

Q76-MDGCelestine SrSO₄ , Calcite CaCO₃

Martin Marietta Aggregates Quarry, Woodville, Sandusky County, Ohio, USA

Dimensions: 6 cm x 5 cm x 3.8 cm

Pale yellow calcite on white celestine from the Martin Marietta Chemicals quarry, Woodville, Sandusky Co., Ohio. Specimen is 6.0 x 5.0 x 3.8 cm and is in the personal collection of J. Nemitz.

Y3T-JQ7Hydropyrochlore (H₂O,◻)₂Nb₂(O,OH)₆(H₂O)

Lueshe Mine, Bwito, Rutshuru Territory, North Kivu, DR Congo

Two inter-grown crystals of hydropyrochlore from the Lueshe Mine, Kivu, Demacratic Republic of Congo. Specimen is 6mm tip to tip. Photo taken with a 10x loupe in front of the camera lens. Photo by and in the collection of J. Nemitz.

Lupin Mine

Lupin Mine, Kitikmeot Region, Nunavut, Canada

Several photos of the Lupin Mine, NWT, Canada as taken by one of the miners.

LF6-P1HPhlogopite KMg₃(AlSi₃O₁₀)(OH)₂

Estes Park Kimberlite, Larimer County, Colorado, USA

Estes Park Kimberlite with a lot of phlogopite phenocrysts from Estes Park, Larimer County, Colorado. Specimen is 4.5cm by 3.5cm. Photo by and in the American Kimberlite collection of J. Nemitz.

Lone Tree Ridge Kimberlite

Cedar Mountain area, Sweetwater County, Wyoming, USA

Kimberlite collected on Lone Tree Ridge in the Cedar Mountain area, Sweetwater County, Wyoming. Specimen is 10.7cm by 7.2cm. Photo by and in the American Kimberlite collection of J. Nemitz.

NHL-GTRGarnet Group X₃Z₂(SiO₄)₃

Andover Township, Sussex County, New Jersey, USA

Dimensions: 3.5 cm x 2.5 cm x 2 cm

Garnets on matrix (3.5 x 2.5 x 2.0cm)from Andover Township, Sussex County, New Jersey. Photo by and in the collection of J. Nemitz.

6A4-L6GPhlogopite KMg₃(AlSi₃O₁₀)(OH)₂

Dixonville-Tanoma Kimberlite, Tanoma Coal Mine, Dixonville, Indiana County, Pennsylvania, USA

Books of phlogopite mica in a heavily weathered kimberlite matrix from the Dixonville-Tanoma Kimberlite, Indiana County, Pennsylvania. Specimen is 14.3cm by 11.4cm. Photo by and in the American Kimberlite collection of J. Nemitz.