Skip to content
Mineralati

Minerals

6323 results

Mineral

Orlandiite

orlandiite

Formula
Pb3Cl4(Se⁴⁺O3)·H2O
Mineral

Orlovite

orlovite

Formula
KLi2TiSi4O11F
Orlymanite Locality: N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa (Locality at mindat.org) Brown balls and crust of Orlymanite. Field of view 16 mm. Specimen and photo Leon Hupperichs. Mineral

Orlymanite

orlymanite

Formula
Ca4Mn²⁺3Si8O20(OH)6·2H2O
Mineraly.sk - auripigment Mineral

Orpiment

orpiment

Formula
As2S3
Orschallite Field of view: 1.5 mm Locality: Schellkopf, Brenk, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany (locality at mindat.org) . Mineral

Orschallite

orschallite

Formula
Ca3(S⁴⁺O3)2(SO4)·12H2O
Mineral

Orthobrannerite

orthobrannerite

Formula
U⁴⁺U⁶⁺Ti4O12(OH)2
Quarzo ed ortoclasio, Baveno, Novara, Piemonte, Italia Mineral

Orthoclase

orthoclase

Formula
K(AlSi3O8)
Mohs
6
Mineral

Orthocuproplatinum

orthocuproplatinum

Formula
Pt3Cu
Mineral

Orthogersdorffite

orthogersdorffite

Formula
NiAsS
Mineral

Orthojoaquinite-(Ce)

orthojoaquinite-(Ce)

Formula
NaBa2Ce2FeTi2[Si4O12]2O2(O,OH)·H2O
Mineral

Orthojoaquinite-(La)

orthojoaquinite-(La)

Formula
NaBa2La2Fe²⁺Ti2[Si4O12]2O2(O,OH)·H2O
Mineral

Orthominasragrite

orthominasragrite

Formula
(V⁴⁺O)(SO4)·5H2O
Outstanding prismatic black crystal of the very rare borate mineral orthopinakiolite from the type and only known locality in Langban (Långban, Filipstad, Värmland County, Sweden). Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Orthopinakiolite

orthopinakiolite

Formula
Mg2Mn³⁺O2(BO3)
Colour
black
Orthoserpierite, Ramsbeckite Field of view: 2.8 mm Locality: Pontinha No. 3 Mine, Souto Maior, Sabrosa, Vila Real District, Portugal Description: Group of blue orthoserpierite crystals with minuto green ramsbeckite. XRD and EDS analyzed. This photo was originally published in: Alves, P. (2017) The Mining District of Vale das Gatas, Sabrosa, Portugal. Mineral Up Vol. IV, nº5, 8–53. Mineral

Orthoserpierite

orthoserpierite

Formula
Ca(Cu,Zn)4(SO4)2(OH)6·3H2O
Mineral

Orthowalpurgite

orthowalpurgite

Formula
(BiO)4(UO2)(AsO4)2·2H2O
Osakaite exhibited at the Mining Museum of Akita University Mineral

Osakaite

osakaite

Formula
Zn4(SO4)(OH)6·5H2O
Osarizawaite Field of view: 3 mm Locality: Genna zinc smelter, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany Mineral

Osarizawaite

osarizawaite

Formula
CuPbAl2(SO4)2(OH)6
Mineral

Osarsite

osarsite

Formula
OsAsS
Figure 2. Back-scattered electron images showing toledoite (TiFeSi) in corundum grain WG1124E-1. The rectangular areas in (a) are enlarged in (b,c). Mineral

Osbornite

osbornite

Formula
TiN
Mineral

Oscarkempffite

oscarkempffite

Formula
Ag10Pb4(Sb17Bi9)S48
Mineral

Oskarssonite

oskarssonite

Formula
AlF3
Nice sharp perfect crystal of native osmium. Osmium minerals are extremely rare in Nature. From more than 5000 mineral species known, only 8 are Osmium minerals (data from MINDAT) so it is a real rarity! Analyzed specimen. Native osmium crystals are extremely rare and very rarely seen on the mineral market. From: Neiva River, Ekaterinburgskaya, Urals Region, Russian Federation. Mineral

Osmium (Native)

osmium (native)

Formula
Os
Osumilite Locality: Sakkabira, Osumi Peninsula, Kagoshima Prefecture, Kyushu Region, Japan Field of view 7 mm. Specimen and photo Leon Hupperichs. Mineral

Osumilite

osumilite

Formula
(K,Na)(Fe²⁺,Mg)2(Al,Fe³⁺)3(Si,Al)12O30
Thick Osumilite tabulars, together with Mullite, image width: 1.,5 mm - Locality: Wannenköpfe, Ochtendung, Eifel region, Germany Mineral

Osumilite-(Mg)

osumilite-(Mg)

Formula
KMg2Al3(Al2Si10)O30
Mohs
6.5