| Home Page | Log In | Message Board | The Mindat Directory |
| Register | Search Pages | Chat Now! (2 online) | Mindat Auctions |
|
|
|
Franklinite : Zn2+Fe3+2O4 | |
|
Hasselhojden, Grythyttan, Hällefors, Västmanland, Sweden Franklinite, the first recorded V varity. Polished section, refl. light, x-nic. Size 0.15 mm. Photo Kjell Gatedal |
| © Kjell Gatedal | Photo ID: 7802 View Count: 512 |
Franklinite : Zn2+Fe3+2O4 | |
|
New Stirling Mine, Irondale, Randolph Township, Morris Co., New Jersey, USA Width of field is 2.5 mm. Collection of Jesse Crawford. The depth of field has been enhanced using Helicon Focus (14 exposures). Equipment: Nikon D-100 digital camera on a homemade microscope. |
| © 2008 Jesse Crawford | Photo ID: 178301 View Count: 97 |
Franklinite : Zn2+Fe3+2O4 | |
|
Franklin Mining District, Sussex Co., New Jersey, USA A classic measuring 1 1/2 x 2 inches in the Charles Creekmur collection. |
| © Charles Creekmur | Photo ID: 18007 View Count: 424 |
| |
|
Franklin Mining District, Sussex Co., New Jersey, USA 6.6 x 6.6 x 6.5 cm. A sharp, 2.3 cm franklinite crystal is set on blocky, pastel-pink calcite accented with smaller franklinites and brown willemite. The textbook, octahedral crystal is moderately lustrous. The calcite fluoresces orange-red and the willemite green. Classic highly representative and fine material from the famous mines of the ... |
| © Rob Lavinsky | Photo ID: 266139 View Count: 15 |
Franklinite : Zn2+Fe3+2O4 | |
|
Franklin, Franklin Mining District, Sussex Co., New Jersey, USA A very rich and obviously very old specimen of Franklinite, from the turn of the 20th century in all likelihood. It was in the Carl Bosch collection which was donated to the Smithsonian, and after "leaking out" ended up in the Barlow Collection dispersed in 1998. It is a fine piece for the price, but the labels add considerable value , ... |
| © Rob Lavinsky | Photo ID: 32336 View Count: 417 |
Franklinite : Zn2+Fe3+2O4 | |
|
Franklin, Franklin Mining District, Sussex Co., New Jersey, USA This is a very attractive and unusually modified crystal (they are usually octahedrons with dodecahedral truncations). The luster is medium, and it is complete except for the back face being contacted. Overall, a very good thumb. 2.1 x 1.3 x 1.3 cm |
| © Rob Lavinsky | Photo ID: 39109 View Count: 282 |
Franklinite : Zn2+Fe3+2O4 | |
|
Franklin, Franklin Mining District, Sussex Co., New Jersey, USA This old Franklin specimen, featuring a FINE franklinite specimen of 2 cm on matrix, has passed through at least two old collections, as attested to by the two old yellowed private collection labels that came with it. 5.8 x 6 x 2.5 cm |
| © Rob Lavinsky | Photo ID: 38358 View Count: 254 |
| |
|
Franklin, Franklin Mining District, Sussex Co., New Jersey, USA A great old Franklinite specimen with well formed octahedral metallice grey crystals, the largest measuring 26mm in length with sharp edges. The Franklinite crystals are intergrown in a Zincite and white Calcite matrix which fluoresces nicely under UV light. Size: 58mm x 75mm x 40mm |
| © Kristalle and Crys | Photo ID: 74186 View Count: 247 |
Franklinite : Zn2+Fe3+2O4 | |
|
Franklin, Franklin Mining District, Sussex Co., New Jersey, USA 2.1cm x 2.0cm x 3.2cm Nice black Franklinite from Schupp Collection. Purchased Tucson 1998. Collection of Danny Jones. |
| © Danny Jones | Photo ID: 161039 View Count: 149 |
Franklinite : Zn2+Fe3+2O4, Willemite : Zn2[SiO4] | |
|
Franklin, Franklin Mining District, Sussex Co., New Jersey, USA Franklinite and willemite glacial erratic ore cobble, approximately 10 cm x 15 cm. Obtained from John Baum, Franklin Mineral Museum, 1991. A local collector (name unknown) had collected a large quantity of ore mineral glacial erratics for use in a home garden display. |
| © Stephen E. Fritz | Photo ID: 179181 View Count: 93 |
| Page 1 of 4 (1 to 10 of 38 total) | Next Page | |
| Page: 1 2 3 4 | ||
