Photo of the Day (POTD)
<a href="/photo-763839.html"><h1>Digenite, Enargite</h1><h2>Leonard Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A well-formed isolated 7mm wide digenite crystal on enargite from The Leonard Mine in Butte, Montana. Host matrix is 3cm x 4cm. Ex. Ralph Merrill Collection from Ed McDole in 1955. </p><p class="copyright">&copy; Daniel Evanich 2016</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Digenite, Enargite

Leonard Mine, Butte Mining District, Silver Bow County, Montana, USA

A well-formed isolated 7mm wide digenite crystal on enargite from The Leonard Mine in Butte, Montana. Host matrix is 3cm x 4cm. Ex. Ralph Merrill Collection from Ed McDole in 1955.

© Daniel Evanich 2016

<a href="/photo-1119408.html"><h1>Quetzalcoatlite, Hemimorphite</h1><h2>Blue Bell Mine, Zzyzx, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA</h2><p>Light blue terminated quetzalcoatlite crystals to 3 mm in length on clear hemimorphite crystals. From D-site dump. </p><p class="copyright">&copy; Daniel. J. Evanich 2021</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Quetzalcoatlite, Hemimorphite

Blue Bell Mine, Zzyzx, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA

Light blue terminated quetzalcoatlite crystals to 3 mm in length on clear hemimorphite crystals. From D-site dump.

© Daniel. J. Evanich 2021

<a href="/photo-826439.html"><h1>Munakataite, Leadhillite</h1><h2>Santa Rosa Mine, Malpais Mesa, Inyo Mts, Inyo County, California, USA</h2><p>Blue needles of munakataite in a leadhillite lined cavity of altered galena host matrix. Both species confirmed by Dr. Robert Housley using Raman Spectroscopy. Dan Evanich collected and photographed.</p><p class="copyright">&copy; Daniel Evanich 2017</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Munakataite, Leadhillite

Santa Rosa Mine, Malpais Mesa, Inyo Mts, Inyo County, California, USA

Blue needles of munakataite in a leadhillite lined cavity of altered galena host matrix. Both species confirmed by Dr. Robert Housley using Raman Spectroscopy. Dan Evanich collected and photographed.

© Daniel Evanich 2017

<a href="/photo-833142.html"><h1>Wulfenite, Dioptase, Willemite, Fluorite, Quartz</h1><h2>Mammoth-Saint Anthony Mine, St. Anthony deposit, Tiger, Mammoth Mining District, Pinal County, Arizona, USA</h2><p>Orange wulfenite with an embedded green dioptase crystal in association with fluorite, willemite, and quartz. A classic Tiger combination of colorful species. The wulfenite crystal group is actually one crystal with a continuous flat "c" face across the width. An unusual termination giving it the initial appearance of three separate crystals. ...</p><p class="copyright">&copy; Daniel Evanich 2017</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Wulfenite, Dioptase, Willemite, Fluorite, Quartz

Mammoth-Saint Anthony Mine, St. Anthony deposit, Tiger, Mammoth Mining District, Pinal County, Arizona, USA

Orange wulfenite with an embedded green dioptase crystal in association with fluorite, willemite, and quartz. A classic Tiger combination of colorful species. The wulfenite crystal group is actually one crystal with a continuous flat "c" face across the width. An unusual termination giving it the initial appearance of three separate crystals. ...

© Daniel Evanich 2017

<a href="/photo-847138.html"><h1>Terlinguacreekite, Kleinite, Opal-AN (Var: Hyalite)</h1><h2>McDermitt Mine, Opalite Mining District, Humboldt County, Nevada, USA</h2><p>Orange terlinguacreekite, yellow kleinite, partially covered by clear botryoidal hyalite (opal). 1.2cm wide FOV. This material is from a mineralogical research project and associated draft paper that is pending publication. Identifications are preliminary until published. Gail Dunning is managing the project.</p><p class="copyright">&copy; Daniel Evanich 2017</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Terlinguacreekite, Kleinite, Opal-AN (Var: Hyalite)

McDermitt Mine, Opalite Mining District, Humboldt County, Nevada, USA

Orange terlinguacreekite, yellow kleinite, partially covered by clear botryoidal hyalite (opal). 1.2cm wide FOV. This material is from a mineralogical research project and associated draft paper that is pending publication. Identifications are preliminary until published. Gail Dunning is managing the project.

© Daniel Evanich 2017

<a href="/photo-838439.html"><h1>Magnetite, Andradite, Clinochlore</h1><h2>Green Fire Mine, Santa Rita Peak, San Benito County, California, USA</h2><p>Rare form of cubic magnetite crystals with clinochlore on serpentine matrix. A few pale green andradite (variety demantoid) garnets are in association visible on the right side. </p><p class="copyright">&copy; Daniel Evanich 2017</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Magnetite, Andradite, Clinochlore

Green Fire Mine, Santa Rita Peak, San Benito County, California, USA

Rare form of cubic magnetite crystals with clinochlore on serpentine matrix. A few pale green andradite (variety demantoid) garnets are in association visible on the right side.

© Daniel Evanich 2017

<a href="/photo-998281.html"><h1>Scorodite, Arthurite</h1><h2>Majuba Hill Mine, Antelope Mining District, Pershing County, Nevada, USA</h2><p>White microscopic scorodite on larger scorodite crystals on dark green arthurite crystals. </p><p class="copyright">&copy; Daniel J Evanich 2019</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Scorodite, Arthurite

Majuba Hill Mine, Antelope Mining District, Pershing County, Nevada, USA

White microscopic scorodite on larger scorodite crystals on dark green arthurite crystals.

© Daniel J Evanich 2019