Mineral Specimen and Product Inventory Search
- 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
- Available
- Price
- $40.00
- Locality
- Capranica, near Viterbo, Lazio, Italy
- Formula
- CeAl2B4O10
- Size
- 5 x 2.5 x 2.5 cm - Miniature
- Tagged
- REE mineral
Tiny yellow micro crystal to about 0.75mm.
- Availability
- Available
- Price
- $1,750.00
- Notes
- Discounts/Promos do NOT apply to this item
- Featured
- Featured in Special Editions
- Locality
- Monteponi mine, Iglesias, Sardinia, Italy
- Formula
- Pb2CO3Cl2
- Size
- 3 x 3 x 1.5 cm - Thumbnail
- Tagged
- carbonate
- Special Info
- Fluorescent
This Phosgenite is a short prismatic complete crystal with a flat termination. The prism faces are mildly striated and the color is a light brown to colorless white. The luster is good. No damage. Mounted on acrylic.
Monteponi is the premier world locality as Pagano points out in his MR (v45 Nov/Dec) article. There is no other locality which exhibits the color, luster and crystal size like Sardinian Phosgenite. Yellow-orange fluorescence under longwave UV (as shown).
- Availability
- Available
- Price
- $595.00
- Reduced Price
- $375.00
- Notes
- Discounts/Promos do NOT apply to this item
- Locality
- Monteponi mine, Iglesias, Sardinia, Italy
- Formula
- Pb2CO3Cl2
- Size
- 3.5 x 1.5 x 1.2 cm - Miniature
- Tagged
- carbonate
- Special Info
- Fluorescent
Here is a interesting, complex crystal with deep striations, light amber brown. It is fluorescent but week yellow almost white.
- Availability
- Available
- Price
- $125.00
- Featured
- Featured in Special Editions
- Locality
- Tsumeb mine, Tsumeb, Namibia
- Formula
- Cu8(Si4O11)2(OH)4·H2O
- Size
- 6.5 x 4 x 4 cm - Sm Cabinet
- Tagged
- copper
Deep sky blue fibrous crystal groups on rhombic Smithsonite.
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- Highland Bell mine, Beaverdell, British Columbia, Canada
- Formula
- Ag3SbS3
- Size
- 9.5 x 5.5 x 8 cm - Cabinet
- Tagged
- Ore Minerals
Large heavy Silver ore specimen rich with dark silver-black massive Pyrargyrite (Ruby Silver) with deep red internal color associated with Galena, Sphalerite, and Pyrite. The old label with this specimen mentions that this is a piece of high-grade ore.
In the Mineralogical Record's article on the Highland Bell Mine (20-6,p441) the silver lodes occur in brecciated Quartz veins in a mineralized zone approximately 6.4km E-W that is interrupted by numerous offset faults.
