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Minerals

6323 results

Livingstonite Locality: Huitzuco de los Figueroa (Huitzuco), Municipio de Huitzuco, Guerrero, Mexico (Locality at mindat.org) Size: 3.8 x 3.6 x 3.4 cm. Livingstonite is a very rare mercury, antimony sulfosalt and this rich and showy specimen hails from the Type Locality - Huitzuco, Guerrero, Mexico. Bright, steel-metallic livingstonite lathes to 1.2 cm are scattered on the rich antimony (stibnite) ore. Older material very seldom available on the market. Ex. Mullane Collection. We have not seen any of this material in over 5-6 years. It is a very rare specimen with superb crystals for the material. Mineral

Livingstonite

livingstonite

Formula
HgSb4S6(S2)
Lizardite (Dimensions: 1.25" x 1" x 1") Locality: Montville, Morris County, New Jersey, USA Gold-green lizardite from Montville NJ. From a collection assembled in the 1960s by Dr. James R. Mason of Chester VT. Mineral

Lizardite

lizardite

Formula
Mg3Si2O5(OH)4
Mohs
2.5
Mineral

Llantenesite

llantenesite

Formula
Cu6Al[SeO4](OH)12Cl*3H2O
Golden crystals of the very rare mineral lobanovite found exclusively in a few Khibiny localities. From: Yukspor Mountain, Khibiny Massif, Kola, Northern Region, Russian Federation. Mineral

Lobanovite

lobanovite

Formula
K2Na(Fe²⁺4Mg2Na)Ti2(Si4O12)2O2(OH)4
White crystal aggregates of the very rare mineral lokkaite-(Y) from Norway (Kilebygd, Skien, Vestfold og Telemark, Norway). Lokkaite-(Y) is a Gadolinium (Gd) and also a Dysprosium (Dy) mineral. Gd and Dy are extremely rare chemical elements in minerals, since only 4 mineral species of a total of more than 5700 mineral species known have Gd and Dy in its chemical composition. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Lokkaite-(Y)

lokkaite-(Y)

Formula
CaY4(CO3)7·9H2O
Brownish red crystals of the extremely rare new mineral lombardoite (IMA 2016-058) from the type and only known locality worldwide: Valletta Mine, Cuneo Province, Piedmont, Italy. Analyzed specimen. Mineral

Lombardoite

lombardoite

Formula
Ba2Mn³⁺(AsO4)2(OH)
Whitish (somewhat platy) bornemanite with brownish (mainly beige) platy lomonosovite from the type locality for bornemanite: Yubileinaya Pegmatite, Lovozero Massif, Kola, Russian Federation. Mineral

Lomonosovite

lomonosovite

Formula
Na6Na2Ti2Na2Ti2(Si2O7)2(PO4)2O4
Londonite Locality: Antsongombato gem mine, FKT Antsentsindrano, Andrembesoa Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar (Locality at mindat.org) An excellent, gemmy and lustrous, 1.8 cm londonite crystal with exceptional yellow color on matrix from the co-type locality in Madagascar. Londonite is the ultra-rare, cesium-dominant analogue of rhodizite. This is a relatively large, and certainly unusually colorful crystal. One side of the rear of the crystal is cleaved, but it is certainly not detracting given that the display view from teh front is stellar. There are several red tourmaline crystals in the matrix. 4.2 x 3.7 x 2.9 cm Mineral

Londonite

londonite

Formula
CsBe5Al4B11O28
Outstanding colorless single crystal aggregate of the extremely rare NH4-Fe-sulphate minerals lonecreekite, sabieite and clairite from the type locality for all of them in Lone Creek Falls, Sabie, Southafrica. Ex Vandenbroucke Museum collection from Waregem, Belgium. Analyzed specimen by the former owner of the specimen. Mineral

Lonecreekite

lonecreekite
Mineral

Longshoushanite-(Ce)

longshoushanite-(Ce)

Formula
Ce4MgAl2Ti2(Si2O7)2O8
Mineral

Lonsdaleite

lonsdaleite

Formula
C
Mineral

Loomisite

loomisite
Loparite-(Ce) Locality: N'orkpakhk (Niorkpakhk; Nyorkpukhk; N'Yourpakhk) Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia (Locality at mindat.org) Size: 3.1 x 2.4 x 2 cm. A relatively large, sharp, 6 mm, twinned loparite crystal from what is certainly the most significant modern locale for the species. Mineral

Loparite

loparite

Formula
(Na0.5REE0.5)TiO3
Mohs
5.75
(b) Backscattered electron (BSE) image of the grain used for electron microprobe and reflectance measurements. White domains correspond to lopatkaite (Lpk). Mineral

Lopatkaite

lopatkaite

Formula
Pb5Sb3AsS11
Mineral

Loranskite-(Y)

loranskite-(Y)

Formula
(Y,Ce,Ca)(Zr,Ta)2O6
Mohs
5
Lorenzenit aus Lovozero Kola-Halbinsel Russland, Exponat in der Terra Mineralia, Freiberg Mineral

Lorenzenite

lorenzenite

Formula
Na2Ti2O3(Si2O6)
Mohs
6
Lorandite, Orpiment Locality: Allchar (Alsar), Roszdan, Republic of Macedonia (Locality at mindat.org) Size: miniature, 3.4 x 2.7 x 2.4 cm Lorandite on Orpiment Sharp, very rare lorandite crystals to 3 mm on matrix…and overall a rich concentration of them, too. This is a great locality piece and example of this rare thallium-containing species. Very few thallium mineral species, of the few that do exist, form macrocrystals. Ex. John White Collection. Mineral

Lorándite

lorándite

Formula
TlAsS2
Mineral

Loseyite

loseyite

Formula
(Mn²⁺,Zn,Mg)4Zn3(CO3)2(OH)10
Lotharmeyerite on chalcophanite - Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico (Crystal size 0.3 mm) Mineral

Lotharmeyerite

lotharmeyerite

Formula
CaZn2(AsO4)2·2H2O
Mohs
3
Mineral

Loudounite

loudounite
White acicular loughlinite from the TL in Wyoming (Westvaco Mine, Green River Basin, Sweetwater County, Wyoming, United States of America). Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Loughlinite

loughlinite

Formula
Na2Mg3Si6O16 * 8H2O
Mineral

Louisfuchsite

louisfuchsite
Lourenswalsite Locality: Diamond Jo Quarry, Magnet Cove, Hot Spring Co., Arkansas, USA Light brownish rosette of Lourenswalsite, field of view 2,5 mm. Specimen and photo Leon Hupperichs. Mineral

Lourenswalsite

lourenswalsite

Formula
(K,Ba)2(Ti,Mg,Ca,Fe)4(Si,Al,Fe)6O14(OH)12
A white crystal aggregate of the very rare beryllium mineral lovdarite from the TL in Russia: Khibiny Massif, Murmansk Oblast, Russian Federation. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Lovdarite

lovdarite

Formula
K2Na6Be4Si14O36·9H2O