Minerals and Meteorites and Other Geology Stuff @rockon-ro - Tumblr Blog

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.

#fluorite

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

#silver #native silver

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

#kunzite #spodumene

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

#vanadinite

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.

#opal #welo opal #wello opal #precious opal

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

#dioptase

CHALCEDONY (Carnelian) from Uruguay or Madagascar.

#chalcedony #carnelian

Galena from the Viburnum Trend of Missouri, USA.

#galens

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

#fossil #petrified wood

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

#apophyllite #stilbite

SODALITE from Namibia, Africa.

#sodalite

CHALCEDONY (Carnelian) from Uruguay or Madagascar.

#chalcedony #carnelian

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

#purple opal #opal #morado opal

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

#chalcedony #cry #chrysoprase

CHALCEDONY (CHRYSOPRASE) from Newman, Western Australia.

#chalcedony #chrysoprase

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