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Mineralati

Minerals

6323 results

Mineral

Plumosite

plumosite

Formula
Pb2Sb2S5
Mineral

Plášilite

plášilite

Formula
Na(UO2)(SO4)(OH)·2H2O
Mineral

Podlesnoite

podlesnoite

Formula
Ca2Ba(CO3)2F2
Mineral

Poellmannite

poellmannite
Mineral

Pohlite

pohlite
a Selected-area electron diffraction (SAED) pattern of a ringwoodite grain along the [010] zone axis and (b) its schematic illustration. The grain contains poirierite in two different but equivalent orientations (domain 1: Poi1, domain 2: Poi2). Domain 2 is rotated by 90° along [010]Rwd compared with the orientation of domain 1. The open circles denote diffraction spots from the poirierite caused by dynamical diffraction by the overlying host ringwoodite. c High-resolution transmission electron micrograph showing 0.8 nm fringes corresponding to dPoi001. The image is published in an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Mineral

Poirierite

poirierite
Colorful yellow crystals of the rare copper-iron sulphate mineral poitevinite in small pieces of matrix. From: Cumobabi, La Verde District, Sonora, Mexico. Mineral

Poitevinite

poitevinite

Formula
(Cu,Fe)SO4 * H2O
Mineral

Pokhodyashinite

pokhodyashinite
Small brown crystals of pokrovskite associated to greeenish platy crystals of sjögrenite. Pokrovskite is a very rare mineral only known from a few localities worldwide. From: Huber Quarry, Upper Bavaria, Bavaria, Germany. Mineral

Pokrovskite

pokrovskite

Formula
Mg2(CO3)(OH)2
A polished section containing the following 4 extremely rare palladium minerals: palarstanide, plumbopalladinite, polarite and atokite in a completely analyzed specimen by SEM/EDS. From: Noril'sk, Putoran Plateau, Taimyr Peninsula, Krasnoyarsk Krai, Russian Federation. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Polarite

polarite

Formula
Pd(Bi,Pb)
Poldervaartite Locality: Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa (Locality at mindat.org) Size: small cabinet, 6.5 x 5.1 x 3.4 cm Poldervaartite TYPE LOCALITY. This mineral was discovered in the 1980s but only recognized later as a new species, and then named in 1992. Specimens were always extremely rare and hard to obtain. In fact, a good example was considered a hallmark and a token of any "sophisticated" Kalahari collection and they were traded like gold. This one, from the noted collection of Desmond Sacco, should be regarded as an important (and large) specimen of some rarity. It was worth perhaps much more back in the day before a few years ago when "Poldervaartite gold" was struck at the nearby NChwaning Mine. Then, these "old style" polders were reduced in value and desirability... However, as luck has it, all of the "new" poldervaartite turned out to actually be a related but different and new species now called Olmiite, thus re-enthroning these older specimens on their throne of rarity. Literally, these genuine older examples of the species are among the ultimate rarities to collectors of Kalahari material; and no more has been found since the original discovery , apparently ! I am told that, probably (according to Charlie Key), such specimens are co-type with the material used to describe the species, all from the same pocket. This is the LARGEST and showiest, least ugly (in a relative sense) specimen of the species I have ever seen for sale. It is actually attractive - VERY sugary and sparkly; and splayed in its presentation. We value it highly, yes, but it blows away any other I have seen on the market , and it comes from the ultimate pedigree in Kalahari collections, through a recent deaccession to me of some thumbnails and rarities from the Sacco collection. Mineral

Poldervaartite

poldervaartite

Formula
CaCa[SiO3(OH)](OH)
Mineral

Polekhovskyite

polekhovskyite

Formula
MoNiP2
Mineral

Polezhaevaite-(Ce)

polezhaevaite-(Ce)

Formula
NaSrCeF6
Black shiny microcrystals of the very rare mineral Zn-Hg sulphide mineral polhemusite from the famous Getchell mine in Nevada, associated to the typical realgar and orpiment from the locality. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Polhemusite

polhemusite

Formula
(Zn,Hg)S
Mineral

Polkanovite

polkanovite

Formula
Rh12As7
Mineral

Polkovicite

polkovicite

Formula
(Fe,Pb)3(Ge,Fe)1-xS4
Mohs
3.5
Mineral

Polloneite

polloneite

Formula
AgPb46As26Sb23S120
Pollucite(CesiumMineral)USGOV Mineral

Pollucite

pollucite

Formula
Cs(Si2Al)O6·nH2O
Mohs
6.5
Mineral

Polyakovite-(Ce)

polyakovite-(Ce)

Formula
(Ce,Ca)4(Mg,Fe²⁺)(Cr³⁺,Fe³⁺)2(Ti,Nb)2(Si2O7)2O8
Blue crude crystals, crystal clusters and crusts of polyarsite with yellow aegirine, colourless to white tridymite and sanidine and black hematite. FOV width: 1.7 mm. Photo: I.V. Pekov and A.V. Kasatkin. Mineral

Polyarsite

polyarsite

Formula
Na7CaMgCu2(AsO4)4F2Cl
Mineraly.sk - polybazit-per2 Mineral

Polybasite

polybasite

Formula
[Ag9CuS4][(Ag,Cu)6(Sb,As)2S7]
Polycrase-(Y) is a rare multiple-oxide containing Y, U, Ti or Nb and is mainly found in pegmatites. Specimens labeled as being from this obscure locality may be from a pegmatite district around the cities of Rio Pomba and Uba (MINDAT). Specimens of any species are rare from this district. This is a stout, terminated, euhedral, prismatic crystal with an orangish-brown oxidation rind. The minimal bruising reveals the high waxy lustre and moderate translucence of the chocolate-brown crystal with orange highlights. Very rarely available. Ex. Josef Vajdak Collection. Size: 5.2 x 2.7 x 2.0 cm. From: Rio Pomba, Minas Gerais, Brazil Mineral

Polycrase-(Y)

polycrase-(Y)

Formula
Y(Ti,Nb)2(O,OH)6
Polydymite Dimensions: 20 mm x 18 mm x 14 mm; Field of view: 2,4 mm; largest crystal: 1,7 mm Locality: Grüneau Mine, Schutzbach, Betzdorf, Siegerland, Rhineland-Palatinate, Germany Description: Collection and photograph Christian Rewitzer 5.2014 Mineral

Polydymite

polydymite

Formula
Ni²⁺Ni³⁺2S4
Polyhalite Dimensions: 24 mm x 23 mm x 11 mm Locality: Kerr McGee Mine, Carlsbad Potash District, Eddy Co., New Mexico, USA Pinkish mass. JSS specimen and photo. Mineral

Polyhalite

polyhalite

Formula
K2Ca2Mg(SO4)4(H2O)2
Mohs
3.5