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Crandallite

Crandallite is a rare calcium aluminum phosphate hydroxide hydrate and part of the Plumbogummite Group. It is the calcium analogue of plumbogummite and the phosphate analogue of arsenocrandallite. Crandallite forms minute triclinic (trigonal), sub-vitreous to dull, yellow to white-gray, prisms terminated by {0001}, or as rosettes of fibers. It occurs abundantly associated with a variety of secondary phosphates in sedimentary variscite phosphate nodules at the type locality: Brooklyn mine, Silver City, Tintic district, East Tintic Mts, Juab Co., Utah, USA. It also occurs in late-stage phosphate mineralization in granite pegmatite at the Everly and Hugo pegmatite mines, Keystone, Pennington Co., South Dakota, USA; and in phosphate-bearing rock fractures or in sedimentary layers in Lawrence Co., Indiana and Garland Co., Arkansas, USA. Crandallite was named in 1917 for mining engineer, Milan Lucian Crandall, Jr. previously of the Knight Mining Company, Provo, Utah, USA.

You can buy these rare pale to yellow crystals online from The Arkenstone, www.iRocks.com to add fine mineral specimens to your collection.

Matioliite (type locality) with Crandallite and Gormanite on Albite
RARE16B-122
Matioliite (type locality) with Crandallite and Gormanite on Albite
Gentil claim, Mendes Pimentel, Doce valley, Minas Gerais, Brazil
Cabinet
6.0 x 6.0 x 3.5 cm
$1,500.00
Order Now
Details
Variscite with Wardite (TL) and Crandallite
THALL-02
Variscite with Wardite (TL) and Crandallite
Little Green Monster Variscite Mine, Fairfield, Oquirrh Mts, Utah Co., Utah, USA
Cabinet
13.1 x 9.9 x 1.0 cm
SOLD
Details
Jeanbandyite With Crandallite, and Wickmanite on Stannite and Pyrite
RARE15-028
Jeanbandyite With Crandallite, and Wickmanite on Stannite and Pyrite
Llallagua, Bolivia
Thumbnail
2.0 x 1.5 x 1.5 cm
SOLD
Details
Variscite With Crandallite
TUC14-120
Variscite With Crandallite
Little Green Monster claim, Clay Canyon, Fairfield, Utah Co., Utah, USA
Small Cabinet
8.3 x 6.8 x 2.2 cm
SOLD
Details
Wardite, Crandallite
MD-257253
Wardite, Crandallite
Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA
Small Cabinet
5.8 x 3.6 x 3.6 cm
SOLD
Details
Variscite, Crandallite, Wardite
MD-250246
Variscite, Crandallite, Wardite
Little Green Monster Variscite Mine, Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA
Cabinet
11.0 x 6.9 x 0.4 cm
SOLD
Details
Variscite, Crandallite, Wardite
MD-249327
Variscite, Crandallite, Wardite
Little Green Monster Variscite Mine, Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA
Cabinet
10.6 x 7.2 x 0.4 cm
SOLD
Details
Variscite, Crandallite, Wardite
MD-219059
Variscite, Crandallite, Wardite
Little Green Monster Variscite Mine, Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA
Cabinet
10.3 x 7.0 x 0.5 cm
SOLD
Details
Variscite, Crandallite, Wardite
MD-209884
Variscite, Crandallite, Wardite
Little Green Monster Variscite Mine, Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA
Small Cabinet
6.0 x 4.0 x 0.4 cm
SOLD
Details
Variscite, Crandallite, Wardite
MD-205915
Variscite, Crandallite, Wardite
Little Green Monster Variscite Mine, Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA
Cabinet
11.1 x 6.6 x 0.4 cm
SOLD
Details
Variscite, Crandallite, Wardite
MD-193797
Variscite, Crandallite, Wardite
Little Green Monster Variscite Mine, Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA
Small Cabinet
6.8 x 5.6 x 0.5 cm
SOLD
Details
Variscite, Crandallite, Wardite
MD-195428
Variscite, Crandallite, Wardite
Little Green Monster Variscite Mine, Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA
Cabinet
10.8 x 6.8 x 0.6 cm
SOLD
Details
Variscite, Crandallite
MD-188268
Variscite, Crandallite
Little Green Monster Variscite Mine, Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA
Small Cabinet
7.8 x 7.3 x 0.4 cm
SOLD
Details
Variscite, Crandallite, Wardite
MD-130253
Variscite, Crandallite, Wardite
Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA
Small Cabinet
7.5 x 5.9 x 1.0 cm
SOLD
Details
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The Wisdom Pocket Blog

Aug 4, 2022

Why “Collector Gems” are Enchanting

Jim Houran, Ph.D., Psychologist, Collector, & Author An intriguing trend has long been apparent to devoted readers of the Mineralogical Record (MR), Lapis, and Rocks & Minerals. Locality articles, like Robinson’s (1990) treatise on diopside from DeKalb, New York, or papers about new species such as Hawthorne et al.’s (2004) description of pezzottaite, frequently include photos of gems cut from the respective minerals. In fact, it is a challenge to read any given issue of these periodicals or any popular mineral book and not find at least one illustration of a polished specimen. The prevalence of these images underscores the universal appeal of gems — even among seasoned mineral collectors who lament the cutting of fine crystals.

Read More

Jul 15, 2022

The Art of Collecting

The team at The Arkenstone has been busy with our recent collaboration with the Santa Barbara Museum of Natural History on our RARE EARTH installation, bringing together specimens from the museum, Dr. Lavinsky's personal collection, UCSB's Woodhouse collection, and private collectors. With permission from museum president Luke J. Swetland, we're sharing a bit of a recent article he wrote about his father-in-law (and Arkenstone customer) David Byers.

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Jun 17, 2022

Photo Atlas of Mineral Pseudomorphism

We just received notice that Photo Atlas of Mineral Pseudomorphism will be pulled from the Elsevier publication list due to plagiarism in the main introduction of the text. Intellectual scholarship demands integrity, both of which I hold in the utmost respect. I assisted with photos for the books, and related captions for those photos, and in appreciation of this assistance, I was listed as one of the authors on the publication for this narrow scope of contribution. The portions of the text under scrutiny for plagiarism are from the main text of the book, which were outside the scope of my contribution.

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Apr 23, 2022

Rare Earth: Santa Barbara

Far more than a dazzling display of gems and minerals, Rare Earth tells the story of how we can value the natural world in a new light.  Copper may be worth a few dollars per pound, but a beautiful piece in its (remarkable) natural form is worth far more than that.  The question is why? We humans inherently assign value to beautiful things above and beyond their utility. It’s why we value impressive minerals like these higher than their price as a mere commodity. Whether it’s a mineral, a tree, or an ecosystem, viewing nature purely in terms of “price per pound” undervalues the resource and deep down, we know it. The minerals and crystals you see here are treasures in their own right, worthy of being displayed (and valued) like any other fine art.

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Mar 28, 2022

Rare Earth: The Art and Science of Chinese Stones

Collecting rocks and stone carvings has been popular in China for thousands of years. This tradition is rooted in the philosophical and spiritual inspiration drawn from the artistic beauty of natural stones, such as jade. Unusually-shaped stones called “Scholars rocks” or “Philosopher’s Stones” carved by natural processes have also been long valued in China. Seen as embodiments of the dynamic transformational processes of nature, these stones were also admired for their resemblance to mountains or caves, particularly the magical peaks and subterranean paradises believed to be inhabited by immortal beings.

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Jan 24, 2022

Legal Nuggets: Fragile Minerals and the TSA

We have all come across a superb specimen, attractively priced, but have nonetheless refrained because there was no easy way to get it home damage-free. What if, however, you do decide to take that specimen home with you on a plane? And what if you carefully wrap it and loosely seal it in a box, with the intent of treating it as carry-on luggage? Of course, from the moment you embark on this course, your mind is dwelling on one thought, and one thought alone—those folks you will encounter at the airport with the badges and patches that say “Transportation Security Administration” or “TSA.”

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Jan 9, 2022

New Year, New Website Update!

We are excited to start off 2022 with the launch of our new and improved website experience, with many changes to freshen up the overall experience for our customers! While at its core, the website remains mostly the same, we’ve reorganized by condensing menus to make navigation easier as well as adding a few new and exciting features to make our website more user friendly for exploring our thousands of listings.

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Jan 8, 2022

Getting to know the mind behind The Arkenstone - Dr. Rob Lavinsky

There are numerous illustrations of the 17th-century phrase, “One good turn deserves another.” By most accounts, it appears Dr. Rob Lavinsky’s life is one such example. The “one good turn” that inspired Lavinsky, owner and founder of The Arkenstone Gallery of Fine Minerals, to take the path he has and mindfully do countless “good turns” in response, took place in Ohio during the mid-1980s. “I was introduced to minerals at the age of 12 through the Columbus, Ohio, Rock & Mineral Society (www.columbusrockandmineralsociety.org/), and was fortunate to have many generous mentors there,” said Lavinsky.

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Jun 16, 2021

The Bement Collection of Minerals

The Bement Collection of Minerals is one of just celebrity, and in the quality of its contents, the average beauty, in some cases, the unique perfection of its specimens, secures a deserved eminence. It is a collection naturally, which abounds in very beautiful and very rare and scientifically precious mineral examples. It represents the sifted and compressed results of a lifetime of collecting, in which the widest latitude of liberal appraisement of specimens has been met on the part of Mr. Bement by as boundless a generosity. There can be no question as to its importance— Gratacap (1912)

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Apr 7, 2020

Little Wonders: Connoisseur Thumbnails in the Contemporary Collector Market

Written by Dr. Jim Houran, Jim Bleess, and Dr. Alex Schauss. Adapted with permission for publication on iRocks.com [caption id="attachment_6418" align="aligncenter" width="800"] Selection of Thumbnail mineral specimens at the 2013 exhibit of China Crystalline Treasures, highlighting specimens from Dr.

Read More
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