Dan Carlson's Photo Gallery

C03-Q1DFluorite CaF₂ , Quartz SiO₂ , Hematite Fe₂O₃

Riemvasmaak fluorite occurrences, Riemvasmaak, Kakamas, Kai !Garib Local Municipality, ZF Mgcawu District Municipality, Northern Cape, South Africa

Dimensions: 4.4 mm x 2.3 mm x 1.8 mm
Largest Crystal Size: 4.4 mm

Glassy quartz crystal included by phantoms and zones of red hematite, surrounded on three sides by matte, deep purple, zoned fluorites to 9mm.

Acquired from Chris Wright in January 2012. Chris wrote of it, "Marc Wilson from the Carnegie Museum quipped that it is a magazine cover quality specimen. One of the best specimens of a very small lot. This is a new find of this type of fluorite. The two pieces that I have are hands and away the best. Only 29 specimens were found."

Q71-4F5Fluorite CaF₂

Brandenberg Mine, Todtnau, Lörrach, Freiburg Region, Baden-Württemberg, Germany

Dimensions: 5.5 cm x 2.5 cm x 2.0 cm
Largest Crystal Size: 1.6 cm

Grouping of bluish-green, gemmy, glassy, zoned cubic fluorite crystals to 1.6 cm on edge on a thin quartz matrix. Ex. Phil Martin.

FUF-PGLQuartz SiO₂

Wakefield Mine, Miller Peak, Cochise County, Arizona, USA

Dimensions: 6.7 cm x 4.5 cm x 3 cm
Largest Crystal Size: 6.7 mm

Group of water clear, glassy, sharp quartz crystals. Exhibits a Dauphine twin.
ex., Harold Urich, Dick Morris, Carole Lee Rulney

Permission to post photo given by Dan Weinrich.

TC3-P12Elbaite Na(Li_1.5Al_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH) , Feldspar Group

Beni Bouzra, Chefchaouen Province, Tanger-Tetouan-Al Hoceima Region, Morocco

Dimensions: 4.5 mm x 4 mm x 2 mm
Largest Crystal Size: 2.3 mm

From the Candy Cane pocket. Pink, partly gemmy, lustrous, striated, terminated elbaite crystal sandwiched between two white, sharp, blocky feldspar crystals.

302-1QESulphur S₈

Novoiavorivsk, Yavoriv Raion, Lviv Oblast, Ukraine

Dimensions: 2.7 cm x 1.4 cm x 1.4 cm

Brilliantly yellow, lustrous, sharp gem crystal of sulfur. Textbook form.

CM0-DF6Pyrite FeS₂

Spring Creek, Alden, Erie County, New York, USA

Dimensions: 2.9 cm x 1.9 cm x 1.4 cm

A sharp, complete, ammonite (Tornoceras uniangulare) fossil replaced by pyrite. The fossil is coming off crystallized pyrite.

A2P-XH4Beryl Be₃Al₂(Si₆O₁₈) , Topaz Al₂(SiO₄)(F,OH)₂ , Quartz SiO₂

Adun-Cholon Range, Nerchinsky District, Zabaykalsky Krai, Russia

Dimensions: 7 cm x 6 cm x 2 cm
Largest Crystal Size: 3.5 cm

Specimen has gemmy blue prismatic crystals of beryl var. aquamarine to 3.5 cm upon a matrix coated by colorless, glassy topaz crystals to 1 cm. Minor quartz var. smoky present. ex Renaud Vochten.

90Q-L32Beryl Be₃Al₂(Si₆O₁₈)

Encruzilhada, Bahia, Brazil

Dimensions: 5.5 cm x 2.3 cm x 1.4 cm
Weight: 36 g

Lustrous, gently striated, pale greenish blue, facet grade beryl var. aquamarine. Complex termination with some prismatic faces. Pristine. Upper 3.6 cm is nearly internally flawless. ex. Brian Cook & Jack Halpern

YKY-H2LBixbyite-(Mn) Mn³⁺₂O₃

Maynard's Mine, Pismire Knolls, Thomas Range, Juab County, Utah, USA

Dimensions: 28 mm x 19 mm x 12 mm
Largest Crystal Size: 7.5 mm

Single, sharp, undamaged, highly lustrous, symmetric and unmodified cube of Bixbyite perched on rhyolite. Seven corners of the cube are exposed. Ex Jack Halpern.

P1J-GE3Quartz (Var: Ametrine) SiO₂

Anahi Mine, La Gaiba mining district, Ángel Sandoval Province, Santa Cruz, Bolivia

Polished (both sides) cross-section of ametrine crystal. 6cm across and 1 cm thick.