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Mineralati

Minerals

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Outstanding blue crystals of this rare member of the vesuvianite group from Norway (Kleppan, Sauland, Hjartdal, Vestfold og Telemark, Norway). Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Cyprine

cyprine

Formula
Ca19Cu²⁺(Al10Mg2)Si18O68(OH)10
Cyrilovite Locality: Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Hagendorf, Waidhaus, Vohenstrauß, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany (Locality at mindat.org) Picture width 1 mm. Collection and photograph Christian Rewitzer This Photo was Mindat.org Photo of the Day - 17th Jun 2008 Mineral

Cyrilovite

cyrilovite

Formula
NaFe³⁺3(PO4)2(OH)4 * 2H2O
Mineral

Czochralskiite

czochralskiite

Formula
Na4Ca3Mg(PO4)4
Mineral

Cámaraite

cámaraite

Formula
Ba3Na(Fe²⁺)8Ti4(Si2O7)4O4(OH)4F3
Sample received from Prof. Doctor Ricardo Scholz, author of the type description. From: Eduardo claim, Conselheiro Pena, Minas Gerais, Brazil. Mineral

Césarferreiraite

césarferreiraite

Formula
Fe²⁺Fe³⁺2(AsO4)2(OH)2·8H2O
Mineral

D'ansite

d'ansite

Formula
Na21Mg(SO4)10Cl3
Mineral

D'ansite-(Fe)

d'ansite-(Fe)

Formula
Na21Fe(SO4)10Cl3
Colour
colorlessness, white
Mineral

D'ansite-(Mn)

d'ansite-(Mn)

Formula
Na21Mn(SO4)10Cl3
Colour
colorlessness
Mineral

Dachiardite-Ca

dachiardite-Ca

Formula
Ca2(Si20Al4)O48·13H2O
Mineral

Dachiardite-K

dachiardite-K

Formula
K4(Si20Al4)O48·13H2O
Dachiardite-Na Field of view: 4 mm Locality: Francon Quarry, Montreal, Québec, Canada Mineral

Dachiardite-Na

dachiardite-Na

Formula
Na4(Si20Al4)O48·13H2O
Dacostaite, thin colourless-to-white crystals associated with sulfur, quartz, gypsum, and a pseudomorphosed cube-octahedral crystal of an unknown phase replaced by a microcrystalline pharmacosiderite-like species. Cetine di Cotorniano Mine, Chiusdino, Siena province, Tuscany, Italy. Holotype specimen: Museo di Storia Naturale of the University of Pisa. Catalogue no. 20073. Photo by Cristian Biagioni. Mineral

Dacostaite

dacostaite

Formula
K(Mg2Al)[Mg(H2O)6]2(AsO4)2F6·2H2O
Dadsonite Locality: Saint-Pons, Ubaye valley, Alpes-de-Haute-Provence, Provence-Alpes-Côte d'Azur, France (Locality at mindat.org) Size: 3.8 x 2.3 x 1.7 cm. A rich specimen of this extremely rare lead/antimony sulfide which also contains chlorine in it. The surface is covered with acicular crystals, and the whole piece is probably massive dadsonite as well. Ex. Eric Asselborn and Alain Martaud Collections. Mineral

Dadsonite

dadsonite

Formula
Pb23Sb25S60Cl
Mohs
2.5
Mineral

Dagenaisite

dagenaisite

Formula
Zn3Te⁶⁺O6
Daliranite, Orpiment Locality: Zareh Shuran Mine (Zarshuran Mine; Zarshouran Mine; Zarehehuran), Takab (Takan Tepe), West Azarbaijan Province, Iran (Locality at mindat.org) Size: 10.5 x 7.1 x 4.9 cm. Daliranite occurs as hair-like crystals, in appearance similar to ludlockite. This beautiful new species is a new sulfosalt from the Zarshouran Au-As deposit, Iran, published in late 2009. Only a small number of these pieces were recovered and then studied. This is one of the largest extant specimens and is co-type material, which I obtained by exchange from the collection of Dr. Werner Paar of the University of Salzburg. Dr. Paar is lead author on the publication of the species (Mineralogical Magazine, Oct. 2009, vol. 73 #5.) Daliranite occurs as very rich orange-red crystals, eye visible but sub-mm in size, easily seen on this contrasting matrix specimen of quartz. It is associated with orpiment and other related species (he has identified both galkhaite and cinnabar as present on this piece). This specimen is a large, display-worthy piece. The orpiment veins and crystals make this an attractive piece, overall. These specimens were found in 1998-2002 and studied only later, in Germany. Return trips by the authors in 2005, to the dumps, were unsuccessful at finding more daliranite and it remains today a fairly rare species, thus. Originally, and erroneously, reported as ludlockite from Zarehehuran, Takap, Takht-e-Suleiman massif, Azerbaijan. Apparently, it was rather difficult to analyze and presented a fair challenge to the crystallographers. Type and only locality material. Co-type material. Mineral

Daliranite

daliranite

Formula
PbHgAs2S6
A rare manganese pyroxenoid, dalnegorskite is almost exclusive of the type locality (Bor Pit, Dalnegorsk, Primorskiy Kray, Russian Federation). A nearly monomineralic little specimen with beige fibres all over. Ex. Erich Laskowski collection (USA). Mineral

Dalnegorskite

dalnegorskite

Formula
Ca5Mn(Si3O9)2
Acicular black crystal of the extremely rare and relatively new mineral dalnegroite (IMA 2009-058) from the type and only known locality worldwide (Lengenbach Quarry, Binntal, Wallis, Switzerland), in a tiny matrix of crystallized realgar. Analyzed specimen (EDX and XRD) by F.Nestola. Official Code Number L27.323 from 1996. Ex.M.Ecker and T.Raber collections. Very few specimens known, maybe two "big samples" or a few more, being this tiny specimen a part of the two known specimens. Mineral

Dalnegroite

dalnegroite

Formula
Tl4Pb2(As,Sb)20S34
Colour
red
Pale tan crystal aggregates of dalyite, a very rare zirconium mineral. From: Gjerdingen, Nordmarka, Lunner, Oppland, Norway. Mineral

Dalyite

dalyite

Formula
K2ZrSi6O15
Mohs
7.5
Outstanding white / colorless crystals of the very rare Pb mineral damaraite associated to red asisite and black hausmannite from the famous Kombat mine in Namibia. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Damaraite

damaraite

Formula
Pb3O2(OH)Cl
Mineral

Damiaoite

damiaoite

Formula
PtIn2
Danalite Locality: Rockport, Essex County, Massachusetts, USA (Locality at mindat.org) Size: 7.2 x 4.8 x 3.2 cm. From the TYPE LOCALITY where it was first noted in 1866 during the Civil War, this is a superb, intensely colored danalite crystal, named after the great mineralogist. The crystal is approx. 2 cm tall. Danalite turns out to be a rare member of the helvite group, seldom crystallizing and most often found as masses in rock. Here we have a superb 3-dimensional crystal perched on matrix with amazonite feldspar and cryophilite, in quartz. According to MINDAT, cryophilite has been discredited by the IMA Mica subcommittee. It is now considered an odd variety of Zinnwaldite, Fe-bearing trilithionite, or Fe-bearing polylithionite (again, according to MINDAT). Ex. Academy of Natural Sciences Philadelphia Collection. Mineral

Danalite

danalite

Formula
Be3Fe²⁺4(SiO4)3S
Extremely rare single crystal of this natural Cu-Zn alloy from one of only two known localities worldwide (Mansfeld, Eisleben, Saxony-Anhalt, Germany), the find from this locality still not being published anywhere. Analyzed specimen. Mineral

Danbaite

danbaite

Formula
CuZn2
Danburite Loclity: San Sebastian Mine, Charcas, Municipio de Charcas, San Luis Potosí, Mexico Size 35x28x21cm Mineral

Danburite

danburite

Formula
CaB2Si2O8
Grey crystals and crytsl aggregates of the very rare Cu-Hg sulphide mineral danielsite from the TL in Western Australia (Coppin Pool, Ashburton Shire, Western Australia, Australia). Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Danielsite

danielsite

Formula
(Cu,Ag)14HgS8