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Mineral specimens search results for [ Willemite ]Page bottom

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EZ96X0: Willemite
Radial groups of very elongated small prismatic, acicular, crystals that have very well defined faces and edges, neatly visible with a lens. The crystals, colorless and very bright, are on a rocky matrix.
Berg Aukas, Grootfontein District, Otjozondjupa Region  Namibia
Specimen size: 7.3 × 4 × 1.9 cm = 2.87” × 1.57” × 0.75”
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NF57J1: Willemite
At this locality where the most well known mineral is Descloizite, there are other interesting samples. This Willemite has small but very well defined crystals whose clear color contrasts with the dark Limonite matrix. The specimen is intensely fluorescent under ultraviolet light. The sample has been analyzed and we will send a copy of the analysis to the buyer.
Preguiça Mine, Sobral da Adiça, Moura, Beja District, Baixo Alentejo, Alentejo  Portugal (2005-2006)
Specimen size: 6.7 × 3.9 × 2.4 cm = 2.64” × 1.54” × 0.94”
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TH27Q6: Willemite
Translucent spheroidal growths of bluish-green color with acicular crystals of Goethite. We’ll send a copy of the analysis.
Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia
Specimen size: 2.9 × 1.8 × 1.4 cm = 1.14” × 0.71” × 0.55”
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TJ67Q6: Willemite
Clear green spheroidal growths with very intense silky luster and on matrix. An excellent miniature. We’ll send a copy of the analysis.
Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia
Specimen size: 2.9 × 2 × 1.9 cm = 1.14” × 0.79” × 0.75”
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TT99N6: Willemite
Group of nearly transparent bright crystals with excellent color and very well defined terminations. A magnificent representative of the species.
Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia
Specimen size: 3.3 × 2.5 × 3.5 cm = 1.30” × 0.98” × 1.38”
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RM61N4: Willemite (Troostite)
Very well defined, floater and doubly terminated crystal that has good color. An American classic.
Franklin, Franklin Mining District, Sussex County, New Jersey  USA
Specimen size: 2.5 × 2.2 × 1.6 cm = 0.98” × 0.87” × 0.63”
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TJ27H7: Willemite (Troostite) with Calcite
The crystal is doubly terminated and its faces and edges have an excellent definition, much better than most usual for this classic material. The matrix of white Calcite contrasts with the darker shades of the crystal.
The sample is from Thomas P. Moore collection.
Franklin, Franklin Mining District, Sussex County, New Jersey  USA
Specimen size: 2 × 2 × 1.4 cm = 0.79” × 0.79” × 0.55”
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MD86AC9: Willemite after Descloizite and Mimetite
A novelty at Munich 2015. Dendritic growths of Willemite after Descloizite that, as a novelty, have partial coatings of small barrel-shaped Mimetite crystals with an intense reddish yellow color.
Chah Milleh Mine, Chah Milleh, Anarak District, Nain, Isfahan Province  Iran (08/2015)
Specimen size: 4.3 × 3.5 × 3 cm = 1.69” × 1.38” × 1.18”

Main crystal size: 2 × 1.6 cm = 0.79” × 0.63”
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MH46AH3: Willemite after Descloizite with Mimetite
Seen and unseen, these samples that appeared at the Munich Show in 2015 are currently a rarity. They form arborescent growths of Willemite crystals pseudomorphous after Descloizite and have partial coatings of small barrel-shaped Mimetite crystals with an intense orange color.
This specimen was published on the Mineralogical Record´s web page, in the ‘What's New’ section, report 49, May 7, 2018 edition.
Chah Milleh Mine, Chah Milleh, Anarak District, Nain, Isfahan Province  Iran (08/2015)
Specimen size: 4.2 × 3.6 × 3.6 cm = 1.65” × 1.42” × 1.42”
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MG57AC6: Willemite after Descloizite with Mimetite
A novelty at Munich 2015. Arborescent growths of Willemite crystal pseudomorphous after Descloizite that, as a novelty, have partial coatings of small barrel-shaped Mimetite crystals with an intense reddish yellow color.
Chah Milleh Mine, Chah Milleh, Anarak District, Nain, Isfahan Province  Iran (08/2015)
Specimen size: 6 × 3.9 × 2.7 cm = 2.36” × 1.54” × 1.06”

Main crystal size: 1.7 × 1.3 cm = 0.67” × 0.51”
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MC60AC6: Willemite after Descloizite with Mimetite
A novelty at Munich 2015. Arborescent growths of Willemite crystal pseudomorphous after Descloizite that, as a novelty, have partial coatings of small barrel-shaped Mimetite crystals with an intense reddish yellow color.
Chah Milleh Mine, Chah Milleh, Anarak District, Nain, Isfahan Province  Iran (08/2015)
Specimen size: 9.8 × 7.6 × 7.4 cm = 3.86” × 2.99” × 2.91”
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MJ67AF0: Willemite after Descloizite with Mimetite and Calcite
Arborescent growths of Willemite crystals pseudomorphous after Descloizite that have partial coatings of small barrel-shaped Mimetite crystals with an intense reddish yellow color.
Chah Milleh Mine, Chah Milleh, Anarak District, Nain, Isfahan Province  Iran (08/2015)
Specimen size: 5.7 × 4.8 × 2.9 cm = 2.24” × 1.89” × 1.14”

Main crystal size: 3 × 1.7 cm = 1.18” × 0.67”
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MK87AJ9: Willemite after Descloizite with Mimetite and Hemimorphite
Very aerial and esthetic arborescent and flattened growth of Willemite crystals after Descloizite, partially coated by small barrel-shaped Mimetite crystals, a lot of them doubly terminated, with an intense reddish yellow color.
Chah Milleh Mine, Chah Milleh, Anarak District, Nain, Isfahan Province  Iran (08/2015)
Specimen size: 7.6 × 5.4 × 5.3 cm = 2.99” × 2.13” × 2.09”
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NL57J5: Willemite pseudo Cerussite
One of the novelties of the year from Preguiça Mine. Willemite replaced small crystals that we suppose were Cerussite, not analytically confirmed because Willemite completely replaced the preexisting species.
Preguiça Mine, Sobral da Adiça, Moura, Beja District, Baixo Alentejo, Alentejo  Portugal (2005-2006)
Specimen size: 3.8 × 2 × 2.2 cm = 1.50” × 0.79” × 0.87”

Main crystal size: 0.3 × 0.1 cm = 0.12” × 0.04”
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JFD16AN5: Willemite with Cerussite
This Willemite comes from the great find made in the Preguiça Mine by a group of people from Huelva in the years 2005-2006. In addition to the crystals being quite large for what is found in that mine, they are nicely separated, and the piece is also complemented by a group of Cerussite crystals that enrich it. When I bought them I had them analyzed by Joan Viñals and the analysis confirmed that they were indeed Willemites.
Preguiça Mine, Sobral da Adiça, Moura, Beja District, Baixo Alentejo, Alentejo  Portugal (2005-2006)
Specimen size: 6.4 × 6.1 × 3.7 cm = 2.52” × 2.40” × 1.46”
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AE94M4: Willemite with Dolomite
Groups of really well defined Willemite crystals on matrix, very uncommon for the species. We call your attention on the intense light green blue color. The piece is from the Martin Zinn collection and we will send the label to the buyer.
Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia
Specimen size: 6.8 × 3.1 × 3 cm = 2.68” × 1.22” × 1.18”

Main crystal size: 0.6 × 0.4 cm = 0.24” × 0.16”
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NA9J5: Willemite with Plattnerite
One of the novelties of the year from Preguiça Mine. Willemite replaced small crystals that we suppose were Cerussite, not analytically confirmed because Willemite completely replaced the preexisting species. With the Willemite there are also small crystals of Plattnerite that we analyzed. We’ll send a copy of the analysis to the buyer.
Preguiça Mine, Sobral da Adiça, Moura, Beja District, Baixo Alentejo, Alentejo  Portugal (2005-2006)
Specimen size: 10 × 7.5 × 4 cm = 3.94” × 2.95” × 1.57”

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