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Mineralati

Minerals

6323 results

A single brown aggregate of the very rare tantalum oxide hydroxide mineral hydrokenomicrolite-3R but labeled as the discredited name parabariomicrolite from the type locality of the mineral in Brasil: Alto do Giz Pegmatite, Equador, Borborema Province, Rio Grande do Norte, Brazil. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Hydrokenomicrolite

hydrokenomicrolite

Formula
(☐,H2O)2Ta2(O,OH)6(H2O)
Mineral

Hydrokenopyrochlore

hydrokenopyrochlore

Formula
(☐,Sb³⁺,Na)2Nb2O6(H2O)
Thomsenolite, Ralstonite Locality: Ivigtut Cryolite deposit, Ivittuut (Ivigtut), Arsuk Firth, Arsuk, Kitaa (West Greenland) Province, Greenland (Locality at mindat.org) Size: 5.2 x 3.6 x 3.3 cm. This is a very rich specimen with several shallow vugs into which beautiful, transparent crystals of thomsenolite to 8mm grow. An old specimen from the late 1800s or early 1900s, from the Freiberg State Mining Museum. Mineral

Hydrokenoralstonite

hydrokenoralstonite

Formula
Na0.5(Al,Mg)2(F,OH)6·H2O
Mohs
4.5
Hydromagnesite from Italy (Valle d'Aosta) Mineral

Hydromagnesite

hydromagnesite

Formula
Mg5(CO3)4(OH)2·4H2O
Mohs
3.5
Mineral

Hydrombobomkulite

hydrombobomkulite

Formula
(Ni,Cu)Al4((NO3)2,SO4)(OH)12 * 13-14H2O
Mineral

Hydroniumjarosite

hydroniumjarosite

Formula
(H3O)Fe3(SO4)2(OH)6
Mineral

Hydroniumpharmacoalumite

hydroniumpharmacoalumite

Formula
(H3O)Al4(AsO4)3(OH)4·4.5H2O
Mohs
2.5
Colour
colorlessness
Mineral

Hydroniumpharmacosiderite

hydroniumpharmacosiderite

Formula
(H3O)Fe³⁺4(AsO4)3(OH)4·4H2O
Nováčekite-I Locality: Pedra Preta pit, Serra das Éguas, Brumado (Bom Jesus dos Meiras), Bahia, Northeast Region, Brazil (Locality at mindat.org) Size: 2.1 x 2.0 x 0.4 cm. Novacekite is an uncommon magnesium uranyl arsenate. This fine thumbnail consists of lustrous, layered plates of pastel-yellow novacekite and is from the Pedra Preta Mine, near Brumado, Brazil. The world’s finest novacekites come from this area. Old material. Ex. Carl Davis Collection. Mineral

Hydronováčekite

hydronováčekite
Mineral

Hydropascoite

hydropascoite

Formula
Ca3(V10O28)*24H2O
Brown microcrystals of the rare tungsten mineral jixianite from the famous Clara mine (Wolfach, Black Forest, Baden-Württemberg, Germany). Mineral

Hydroplumboelsmoreite

hydroplumboelsmoreite

Formula
(Pb☐)(W1.33Fe³⁺ 0.67)O6(H2O)
:Locality: Lueshe Mine, Kivu, DR Congo Size: 0.9 × 0.7 × 0.6 cm Description: One inter-grown group of hydropyrochlore crystals and some isolated crystals, from the Lueshe Mine the Type Locality for the species. The former species from the Lueshe carbonatite was named "kalipyrochlore" (described in 1965, named in 1977), but it was renamed as hydropyrochlore by new nomenclature (2010, 2013). Mineral

Hydropyrochlore

hydropyrochlore

Formula
(H2O,☐)2Nb2(O,OH)6(H2O)
Mineral

Hydroredmondite

hydroredmondite
Mineral

Hydroromarchite

hydroromarchite

Formula
Sn²⁺3O2(OH)2
White crystal aggregates of the very rare aluminium carbonate mineral hydroscarboite from the type and only known locality worldwide in GB (Weston Favell, Northamptonshire, United Kingdom). Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Hydroscarbroite

hydroscarbroite

Formula
Al14(CO3)3(OH)36 * nH2O
Hydrotalcite Locality: Snarum, Modum, Buskerud, Norway (Locality at mindat.org) Size: 8.4 x 5.2 x 4.1 cm. Hydrotalcite is a rare hydrated, magnesium, aluminum carbonate and this rich specimen is from the Type Locality - Snarum, Norway. Waxy, talc-like, grayish/whitish hydrotalcite is sculpturally embedded in a matrix of oxidized, yellow-green serpentine. Hydrotalcite is so named for its resemblance to talc. From an older museum collection dating to prior to WW I. Mineral

Hydrotalcite

hydrotalcite

Formula
Mg6Al2(CO3)(OH)16 * 4H2O
Mohs
2
Mineral

Hydroterskite

hydroterskite

Formula
Na2ZrSi6O12(OH)6
Greenish crystal agregates of the very rare tungsten oxide mineral tungstite from the famous Panasqueira deposit in Portugal. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Hydrotungstite

hydrotungstite

Formula
WO2(OH)2·H2O
Hydrowoodwardite (Picture width: 5 mm) Locality: St. Briccius Mine, Königswalde at Annaberg, Erzgebirge, Saxony, Germany Mineral

Hydrowoodwardite

hydrowoodwardite

Formula
(Cu1-xAlx)(OH)2[SO4]x/2 * nH2O
Mohs
2
Hydroxyapophyllite-(K), kinoite, ruizite - Christmas Mine, Christmas, Banner Mining District, Gila County, Arizona, USA Mineral

Hydroxyapophyllite-(K)

hydroxyapophyllite-(K)

Formula
KCa4(Si8O20)(OH,F) * 8H2O
Mineral

Hydroxyapophyllite-(Nh₄)

hydroxyapophyllite-(NH₄)

Formula
(NH4)Ca4(Si8O20)(OH)(H2O)8
Hydroxycalciomicrolite, 3 tiny bright green crystals (0.2-0.3 mm.), off matrix. K. Nash specimen (MM105). From: Fisher Quarry, Topsham, Sagadahoc Co., Maine, USA. Mineral

Hydroxycalciomicrolite

hydroxycalciomicrolite

Formula
Ca1.5Ta2O6(OH)
Colour
yellow
Mineral

Hydroxycalciopyrochlore

hydroxycalciopyrochlore

Formula
(Ca,Na,U,☐)2(Nb,Ti)2O6(OH)
Mineral

Hydroxycalcioroméite

hydroxycalcioroméite

Formula
(Ca,Sb³⁺)2(Sb⁵⁺,Ti)2O6(OH)
Mohs
5.5