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.
- 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
- 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
- MD-257253
- Wardite, Crandallite
- Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA
- Small Cabinet
- 5.8 x 3.6 x 3.6 cm
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- RARE15-028
- Jeanbandyite With Crandallite, and Wickmanite on Stannite and Pyrite
- Llallagua, Bolivia
- Thumbnail
- 2.0 x 1.5 x 1.5 cm
- 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