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Doubly terminated Sphalerite with Quartz.
JE73F3: Doubly terminated Sphalerite with Quartz
The group, whose crystals have the form typical of Sphalerite with a dominance of the tetrahedron, is very well developed and the crystals have neat growth patterns. Its size, black color, intense brilliance, and good position of the group on the Quartz matrix all make this especially attractive.
Nikolaevski Mine, Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai, Far-Eastern Region  Russia (1990)
Specimen size: 10.5 × 6.1 × 4.8 cm = 4.13” × 2.40” × 1.89”

Price: [SOLD]
Doubly terminated Stilbite-Ca.
JR57F5: Doubly terminated Stilbite-Ca
The crystal is doubly terminated and accompanied by other smaller ones. It shows off its slender silhouette.
Aurangabad, Maharashtra  India (±1998)
Specimen size: 5.8 × 3.2 × 2.9 cm = 2.28” × 1.26” × 1.14”

Price: [SOLD]
Doubly terminated Stilbite-Ca.
MQ90E6: Doubly terminated Stilbite-Ca
A Museum quality Stilbite. It has large crystals, many of which are doubly terminated, and have good color and brilliance. A floater specimen that is, in my opinion, superb.
Mahodari, Nashik District (Nasik), Maharashtra  India (2003)
Specimen size: 17.5 × 9.5 × 4.5 cm = 6.89” × 3.74” × 1.77”

Price: [SOLD]
Doubly terminated Topaz.
EB88X0: Doubly terminated Topaz
Floater group of Topaz crystals unusually sharp and all doubly terminated and complete, transparent, very bright and with parallel growths.
Mimoso do Sul, Espirito Santo  Brazil
Specimen size: 5.1 × 4.8 × 2.7 cm = 2.01” × 1.89” × 1.06”

Main crystal size: 4.5 × 2.3 cm = 1.77” × 0.91”

Price: [SOLD]
Doubly terminated Topaz.
MD51AB9: Doubly terminated Topaz
Doubly terminated and large (for the locality) crystal, with growth lines and very well defined dissolution forms. Its blue color is more intense than usual in samples from Virgem da Lapa. It has small aggregates of leafy Muscovite crystals.
Virgem da Lapa, Jequitinhonha, Minas Gerais  Brazil (±1970)
Specimen size: 10.3 × 9.5 × 7.5 cm = 4.06” × 3.74” × 2.95”

Price: [SOLD]
Doubly terminated Topaz (repaired).
9JR16: Doubly terminated Topaz (repaired)
Topaz crystals, one of them clearly dominant, doubly terminated, of excellent luster and very transparent, with remnants of rhyolitic rock matrix. The smallest crystals are very rich in crystal faces as can be seen in the close-up photo. The piece is repaired on the left side of the main crystal, being a fracture perpendicular to the axis of the prism, but it does'nt affect to the beauty of the specimen as a whole. The sample is from the James Catmur collection (number B667) whose label we’ll send to the buyer.
Thomas Range, Juab County, Utah  USA (1999)
Specimen size: 4.7 × 3.5 × 1.5  cm = 1.85” × 1.38” × 0.59”

Main crystal size: 4.7 × 1.4 cm = 1.85” × 0.55”

Price: €140 / US$149 / ¥22840 / AUD$220
Doubly terminated Vesuvianite.
TM67H3: Doubly terminated Vesuvianite
The specimen, as accompanying label shows, is of the 19th century. Crystal is a complete floater and doubly terminated, very transparent and having a darker color zone in one of the terminations. It is from the Steve Smale collection.
Bellecombe, Châtillon, Aosta Valley (Val d'Aosta)  Italy (±1850)
Specimen size: 3.5 × 1.1 × 0.7 cm = 1.38” × 0.43” × 0.28”

Price: [SOLD]
Doubly terminated Vesuvianite.
RC63P8: Doubly terminated Vesuvianite
A single equidimensional Vesuvianite crystal of yellowish brown color. Its cubical aspect is due to two short prisms and a dipyramid plus the terminal pinacoid. On the surface of some of its faces there are small groups of dodecahedral crystals of Grossular.
Sierra de las Cruces, Sierra Mojada mining district, Municipio Sierra Mojada, Coahuila (Coahuila de Zaragoza)  Mexico
Specimen size: 3.1 × 3 × 3.1 cm = 1.22” × 1.18” × 1.22”

Price: [SOLD]
Doubly terminated Wiluite.
FF9I0: Doubly terminated Wiluite
A floater, doubly terminated and complete. It is formed by two prisms and a pyramid truncated by the pinacoid. A few years ago Wiluite was considered a variety but actually is now recognized as a species.
Vilyui River Basin, Vilyuysky, Sakha Republic (Yakutia)  Russia (±1987)
Specimen size: 2.9 × 2.1 × 2 cm = 1.14” × 0.83” × 0.79”

Price: [SOLD]
Doubly terminated Zircon.
TC76F6: Doubly terminated Zircon
Doubly-terminated growth on a single axis, in which various forms of the double pyramid dominate. The lack of matrix is compensated for by the great definition and brilliance of this floater.
The specimen's photo has been reviewed and published in the magazine ‘Rocks & Minerals’ on page 312 in the volume 82, number 4.
Santa Teresinha  Brazil
Specimen size: 3.3 × 2.3 × 2 cm = 1.30” × 0.91” × 0.79”

Price: [SOLD]
Doyleite with Gibbsite.
MG64I1: Doyleite with Gibbsite
An excellent specimen of this rare hydroxide, a polymorph of Gibbsite. Both species are present on this beautiful miniature of botryoidal forms and esthetic green color.
We’ll give the results of the analysis to the buyer.
Baoshan Prefecture, Yunnan Province  China (07/2006)
Specimen size: 3 × 3.5 × 2.3 cm = 1.18” × 1.38” × 0.91”

Price: [SOLD]
Doyleite with Gibbsite.
MA86I5: Doyleite with Gibbsite
Esthetic specimen of this rare hydroxide, a polymorph of Gibbsite. Both species are present on this nice miniature of botryoidal forms and excellent color, with nice changes of shade from green to brown, with white strips and spectacular greasy luster present on very few specimen. We’ll send the analysis to the buyer.
Baoshan Prefecture, Yunnan Province  China (07/2006)
Specimen size: 1.3 × 9 × 6 cm = 0.51” × 3.54” × 2.36”

Price: [SOLD]
Doyleite with Gibbsite.
MH64I1: Doyleite with Gibbsite
An excellent specimen of this rare hydroxide, a polymorph of Gibbsite. Both species are present on this beautiful miniature of botryoidal forms. We’ll give the results of the analysis to the buyer.
The specimen has been published in the book 'China', by Berthold Ottens, on page 489 and in the book 'China II', by Berthold Ottens, on page 357
Baoshan Prefecture, Yunnan Province  China (07/2007)
Specimen size: 4.8 × 4.4 × 3.7 cm = 1.89” × 1.73” × 1.46”

Price: [SOLD]
Doyleite with Gibbsite.
MK96I1: Doyleite with Gibbsite
An excellent specimen of this rare hydroxide, a polymorph of Gibbsite. Both species are present on this beautiful miniature of botryoidal forms and esthetic greenish color with attractive clearer, almost white, stripes.
We’ll give the results of the analysis to the buyer.
This specimen was photographed and published as a novelty at the 2006 Munich Show in the magazine ‘Le Règne Minéral’ number 72, page 15.
Baoshan Prefecture, Yunnan Province  China (07/2006)
Specimen size: 10.7 × 9.3 × 4.5 cm = 4.21” × 3.66” × 1.77”

Price: [SOLD]
Dravite.
TL14AN1: Dravite
Floater group of two Dravite crystals with a short prismatic habit, doubly terminated, formed by a prism and the terminal faces of a rhombohedron. Translucent, with bright luster and uniform yellow-brown color. We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Pajaru, Jajarkot District, Karnali Pradesh  Nepal
Specimen size: 1.7 × 0.9 × 0.7 cm = 0.67” × 0.35” × 0.28”

Price: [SOLD]
Dravite.
TD47AI8: Dravite
Floater parallel aggregate of doubly terminated Dravite crystals that are between transparent and translucent, very bright, with inclusions and that have a uniform dark brown color.
The sample is from the mineral reserve of John S. White whose label we will send to the buyer.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 01/2020, page 60
Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region  Tanzania
Specimen size: 4.7 × 1.6 × 1.5 cm = 1.85” × 0.63” × 0.59”

Price: [SOLD]
Dravite.
RH6F8: Dravite
This one is really for specialists. One of the crystals of Dravite from St Lawrence County. The specimen is, obviously, not that appealing as not all the faces have grown fully. But it is part of mineralogical history.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 01/2020, page 60
St. Lawrence County, New York  USA (±1980)
Specimen size: 2 × 1.7 × 1.7 cm = 0.79” × 0.67” × 0.67”

Price: [SOLD]
Dravite on Muscovite.
CCF46AO0: Dravite on Muscovite
Isolated Dravite crystals with a flattened bipyramidal shape, with perfectly sharp crystal forms, translucent, with good luster and a nice brown color with orange tones, on a Muscovite matrix.
Sar-e Sang, Koksha Valley, Khash & Kuran Wa Munjan Districts, Badakhshan Province  Afghanistan (±2011)
Specimen size: 4.0 × 5.6 × 2.3 cm = 1.57” × 2.20” × 0.91”

Main crystal size: 1.2 × 1.1 cm = 0.47” × 0.43”

Price: [SOLD]
Dravite with Biotite and Albite.
TFA86AN7: Dravite with Biotite and Albite
Two doubly terminated Dravite crystals, one of them clearly dominant, with very sharp crystal forms and excellent terminations, a bright black color and on matrix. With Biotite and small Albite crystals. The specimen, from a classic American locality for the species, comes from the Bob and Pam Steward collection (number 199), whose label we will send to the buyer.
Biermann Quarries (Bethel Quarries), Bethel, Fairfield County, Connecticut  USA (±1968)
Specimen size: 7.2 × 6.4 × 4.8 cm = 2.83” × 2.52” × 1.89”

Price: [SOLD]
Dravite with Muscovite.
DA86AG5: Dravite with Muscovite
Floater pair of equant crystals that are formed by two prisms and rhombohedral terminations. They are translucent, bright, with a dark brown color and have small residual Muscovite.
Yinnietharra Station, Upper Gascoyne Shire, Western Australia  Australia
Specimen size: 5.3 × 4.7 × 4.7 cm = 2.09” × 1.85” × 1.85”

Main crystal size: 4.2 × 4 cm = 1.65” × 1.57”

Price: [SOLD]
Dravite with Muscovite.
XM220DM: Dravite with Muscovite
Complete floater Dravite crystal formed by two prisms and rhombohedral terminations. It is translucent, shiny, and dark brown in color, with very shiny leafy Muscovite coatings. The specimen is accompanied by an autographed label from the Daunis collection that we will send to the buyer.
Yinnietharra Station, Upper Gascoyne Shire, Western Australia  Australia
Specimen size: 8.4 × 6.2 × 5.8 cm = 3.31” × 2.44” × 2.28”

Price: [SOLD]
Dravite with Muscovite and Quartz.
LF68AI4: Dravite with Muscovite and Quartz
Floater and complete single crystal composed of two prisms with rhombohedral terminations. It is translucent and bright with a dark Brown color and is partially coated by leafy aggregates of very bright Muscovite. The sample, an Australian classic with a good length, is from the Carlos Millán collection whose computer card we’ll send to the buyer.
Yinnietharra Station, Upper Gascoyne Shire, Western Australia  Australia (±1978)
Specimen size: 10.6 × 8.2 × 7.6 cm = 4.17” × 3.23” × 2.99”

Price: [SOLD]
Dravite-Elbaite (Series).
TLM46AP1: Dravite-Elbaite (Series)
Dravite-Elbaite (Series) single crystal of good size, terminated by the pinacoid and the faces of a very flattened rhombohedron. The crystal has intense reddish reflections and, curiously, analysis has determined that it belongs to the Dravite-Elbaite (Series) We will send a copy of the analysis to the buyer.
  Madagascar
Specimen size: 12.1 × 7.1 × 6.5 cm = 4.76” × 2.80” × 2.56”

Price: [SOLD]
Dufrénite, Quartz, Albite.
11TRM14: Dufrénite, Quartz, Albite
Quartz crystal (smoky variety), doubly terminated and partially covered by a large group of snowy white Albite crystals. On top of the Albite sits a younger mass of very small dark Dufrenite crystals, which is normally a secondary mineral in iron deposits. Metasomatic fluid circulation and weathering processes gave rise to the formation of secondary phosphates, such as Dufrenite, in this lithium-rich pegmatite.
Galiléia, Vale do Rio Doce, Minas Gerais  Brazil
Specimen size: 6.8 × 5.9 × 3.8 cm = 2.68” × 2.32” × 1.50”

Price: [SOLD]
Dufrenoysite with Sphalerite and Pyrite.
TMB47AP9: Dufrenoysite with Sphalerite and Pyrite
Elongated crystals of Dufrenoysite with a prismatic habit, with well defined forms, very good luster, and on matrix with translucent and lustrous crystals of Sphalerite and small crystals of Pyrite. The specimen is from the type locality, comes from the collection of Robert-Auguste Touchon and has been analyzed. We will send a copy of the analysis to the buyer.
Lengenbach Quarry, Fäld, Binn Valley (Binntal), Wallis (Valais)  Switzerland
Specimen size: 4.1 × 4 × 2.8 cm = 1.61” × 1.57” × 1.10”

Price: [SOLD]

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Minerals - Virtual Museum (#MVM)
Minerals - Virtual Museum
(#MVM)