Classification of Freboldite |
| IMA status: | Valid - first described prior to 1959 (pre-IMA) - "Grandfathered" |
|---|
| Strunz 8th edition ID: | 2/C.20-40
|
|---|
| Nickel-Strunz 10th (pending) edition ID: | 2.CC.05
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.) C : Metal Sulfides, M: S = 1: 1 (and similar) C : With Ni, Fe, Co, PGE, etc. |
|---|
| Dana 8th edition ID: | 2.8.11.10
2 : SULFIDES 8 : AmXp, with m:p = 1:1 |
|---|
| Hey's CIM Ref.: | 3.10.4
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1) 10 : Sulphides etc. of Co |
|---|
| mindat.org URL: | http://www.mindat.org/min-1602.html Please feel free to link to this page. |
|---|
Type Occurrence of Freboldite |
| Type Locality: | Trogtal Quarries, Lautenthal, Harz Mts, Lower Saxony, Germany |
|---|
| Year of Discovery: | 1957 |
|---|
Physical Properties of Freboldite |
| Lustre: | Metallic |
|---|
| Colour: | Copper-red |
|---|
| Hardness (Mohs): | 2½ - 3 |
|---|
Crystallography of Freboldite |
| Crystal System: | Hexagonal |
|---|
| Cell Parameters: | a = 3.6Å, c = 5.3Å
|
|---|
| Ratio: | a:c = 1 : 1.472 |
|---|
| Unit Cell Volume: | V 59.49 ų (Calculated from Unit Cell) |
|---|
Chemical Properties of Freboldite |
| Formula: | |
|---|
| Essential elements: | Co, Se |
|---|
| All elements listed in formula: | Co, Se |
|---|
Relationship of Freboldite to other Species |
| Related Minerals - Nickel-Strunz Grouping): | |
|---|
| Related Minerals - Hey's Index Grouping: | |
|---|
Other Names for Freboldite |
| German names: | |
|---|
| Russian names: | |
|---|
| Spanish names: | |
|---|
Other Information |
| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. |
|---|
References for Freboldite |
| Reference List: | American Mineralogist: 41: 164.
American Mineralogist: 44: 907.
|
|---|
Internet Links for Freboldite |
| Search Engines: |
Look for Freboldite on Google
Look for Freboldite images on Google |
|---|
| External Links: | Look for Freboldite on WebmineralLook for Freboldite on Athena MineralogyLook for Freboldite on WikipediaLook for Freboldite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Freboldite in the Natural History Museum (London) online catalogueFreboldite details from Handbook of Mineralogy (PDF) |
|---|
| Mineral Dealers: | e-Rocks - Mineral Auctions and Salesrare and unusual minerals mainly crystallizedRare and Unusual minerals at Mineralogical Research CompanyMineral Classics - Worldwide Collector Quality Minerals and GemsBuy fine minerals and gemstones from Pala InternationalFine Minerals from Dan Weinrich MineralsSearch for Freboldite on minvision.comSearch for Freboldite at Thames Valley MineralsBuy from David K Joyce mineralsWendel Minerals - Auktion & ShopHigh-end worldwide specimens & outstanding customer serviceWilensky Fine Minerals |
|---|
| Jobs: | Mining & Geology Jobs |
|---|
Page Sponsor |
| Sponsorship: | This page is currently not sponsored. Click here to find out how you can sponsor this page. |
|---|
Localities for Freboldite |