Minerals and Meteorites and Other Geology Stuff

QUARTZ (Silicon Dioxide) from Sichuan Province, China. 10 centimeter tall quartz crystal.  

Purple opal (Morado Opal) contains minor fluorite.From Jalisco, Mexico.

FLUORITE (Calcium Fluoride) from the Navidad Mine, Abasolo, Durango, Mexico. Raspberry pink fluorite octahedron cluster from this classic location.

Native Silver crystals on white calcite from Bouismas, Bou Azzer District, Tazenakht, Morocco.

Spodumene variety Kunzite. Single 3.5 inch terminated crystal from Laghman Province, Afghanistan.

Vanadinite(Lead Chlorovanadate) crystals from Mibladen mining district, Midelt, Morocco. Sample measures as a large cabinet size specimen.

Wello Opal from Wello Province, Ethiopia. Thumb size clear precious opal. This opal tends to be hydrophane (absorbs water), so it will develop small cracks if exposed to air for more than a few days.

DIOPTASE (Hydrated Copper Silicate) crystals from Altyn-Tyube, Karagandy, Kazakhstan.

CHALCEDONY (Carnelian) from Uruguay or Madagascar.

Galena from the Viburnum Trend of Missouri, USA.

Petrified Palm Wood. (Palmoxylon) from Catahoula Formation in Texas, USA. From the Oligocene (20 to 30 million years ago).

APOPHYLLITE with STILBITE. Green apophyllite crystals with whitish stilbite crystals from Pune District, Maharashtra, India.

SODALITE from Namibia, Africa.

CHALCEDONY (Carnelian) from Uruguay or Madagascar.

PURPLE OPAL (Morado Opal) consisting of silica and minor fluorite. FRom Jalisco, Mexico. Much of the specimen shows fluorescence under ultraviolet light.

CHALCEDONY (CHRYSOPRASE) from Newman, Western Australia. Partly backlit to show gem quality.

CHALCEDONY (CHRYSOPRASE) from Newman, Western Australia.