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- Availability
- Available
- Price
- $40.00
- Locality
- Gjerdingselva, Nordmarka, Lunner, Oppland, Norway
- Formula
- NaCaAlF6·H2O
- Size
- 3.5 x 3 x 2 cm - Miniature
Tiny colorless micro crystals in a vug unseen in the photos, but visible under the microscope. Pachnolite usually occurs in pegmatites with a fluorine component most notably but not limited to Ivigtut. Such pegmatites often contain fluorite, fluellite, prosopite, topaz, cryolite, ralstonite and other alkali aluminum fluoride granitic bodies which are peraluminous and usually in "NYF" (niobium-yttrium-fluoride) evolved and fractionated pegmatites. In this case Gjerdingselva is not a pematite but is alkali (soda) rich in flourine.
- Availability
- Sold
- Locality
- Sebarz mine, Anarak dist., Esfahan Province, Iran
- Formula
- Fe3+SO4(OH)·2H2O
- Size
- 4 x 3 x 2 cm - Miniature
1-2mm equant orange crystals.
- Availability
- Available
- Price
- $75.00
- Locality
- Lookout Pass, Tooele Co., Utah, United States
- Formula
- TlSb5S8
- Size
- 4.5 x 2.5 x 2.5 cm - Miniature
- Tagged
- sulfide
Silvery crystals to 1mm embedded in matrix.
- Availability
- Available
- Price
- $25.00
- Locality
- Majuba Hill mine, Pershing Co., Nevada, United States
- Formula
- Cu9(AsO4)2(SO4)(OH)10·7H2O
- Size
- 4.5 x 3.5 x 3 cm - Miniature
- Tagged
- arsenate, copper
- Special Info
- Type Locality
Just a little Parnauite on this specimen as seemingly formless crystals less than 1mm.
- Availability
- Available
- Price
- $85.00
- Locality
- Esquire #8 claim, Big Creek, Fresno Co., California, United States
- Formula
- Ba2CaFe2+2Si6O17
- Size
- 2.4 x 2.5 x 1.5 cm - Thumbnail
- Tagged
- Ba Silicates
Brown crystalline Pellyite, a four locality mineral worldwide.
- Availability
- Sold
- Locality
- Wagholi, near Pune, Maharashtra, India
- Formula
- CaV4+OSi4O10·4H2O
- Size
- 5.5 x 4.5 x 5 cm - Sm Cabinet
- Tagged
- vanadium
Electric blue sprays of Pentagonite with individual crystals to 2mm. There are three clusters to 6mm across in a geode-like matrix which is sawed flat, which makes it it nicely for display.