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Diaspore is an aluminum oxy-hydroxide that rarely develops into crystals. Fortunately, in Turkey there is a classic deposit where the crystals show good development, color and transparency, as is the case of this specimen, terminated and with a light yellowish-greenish color and with fine vertical striations. This mineral, together with Boehmite and Gibbsite, make up bauxite, a rock which is the main ore of aluminum.
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2020)
Specimen size: 4.9 × 1.0 × 0.4 cm = 1.93” × 0.39” × 0.16”

18ERR36: Diaspore

ER98AL9: Diaspore

Mostly new after the Sainte Marie 2020 Virtual Show, from a classic Turkish locality but with a different transparency and color. The crystal is incomplete at the bottom, but has very sharp polycrystalline upper terminations. It is transparent, lustrous, deep yellow-green in focused natural light and more yellow under halogen lights, with very clearly visible dichroism shifting between soft red and green.
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2020)
Specimen size: 5.7 × 1.8 × 1 cm = 2.24” × 0.71” × 0.39”

ET73AM1: Diaspore

New (in part) after the 2020 Sainte Marie Virtual show. From a classic Turkish locality but with a different morphology and color. With its vertical twin plane, this crystal, which is transparent and of great fineness and quality, has excellent terminal faces and very good luster. With yellow-green tones and very distinct dichroism, its color changes between soft red and green, this being visible in all kinds of light, even natural light.
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2020)
Specimen size: 4.6 × 1.1 × 0.6 cm = 1.81” × 0.43” × 0.24”

EL26AM2: Diaspore

Two crystals of Diaspore, one of them clearly dominant, with good terminal faces and recrystallization forms. The crystals are transparent, very lustrous, and have an intense and uniform greenish yellow color.
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2020)
Specimen size: 7 × 4.1 × 3.1 cm = 2.76” × 1.61” × 1.22”

EF66AL7: Diaspore

Partially new after the Sainte Marie Virtual Show 2020. From a classic Turkish locality but with a different transparency and color, intense yellow-green under focused natural light, but yellower under halogen light and with an easily visible dichroism changing between soft red and green.
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2020)
Specimen size: 8.3 × 2.7 × 1.2 cm = 3.27” × 1.06” × 0.47”

EXA87AO9: Diaspore (double twin)

Obtained at Ste. Marie 2022 Cross twinning of two very sharp doubly terminated Diaspore crystals, transparent, lustrous and pale greenish yellow colour. One of the terminations is rough but unbroken. With LED light, a marked dichroism can be seen that changes from yellow to violet. The specimen is of high quality.
Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2022)
Specimen size: 2.1 × 1.4 × 1.1 cm = 0.83” × 0.55” × 0.43”

SV2160TBC: Diaspore after Spinel with Muscovite

Two Spinel crystals of considerable size that have been pseudomorphed almost entirely by Diaspore. They are embedded in a matrix that displays a multitude of sheets formed by brown leafy Muscovite aggregates with bright reflections. Quite a mineralogical curiosity from Madagascar which was in the old collection of Robert-Auguste Touchon. The specimen has been analyzed and we will send a copy of the analysis to the buyer.
Madagascar
Specimen size: 9.6 × 6.6 × 6.2 cm = 3.78” × 2.60” × 2.44”

Main crystal size: 3 × 2.2 cm = 1.18” × 0.87”

ELR87AO9: Diaspore on Chloritoid and with Margarite

Obtained at Ste. Marie 2022 Elongated Diaspore crystals, two of them clearly dominant, with very sharp crystal forms with excellent terminations, transparent, with good luster and a nice light yellow color. On matrix on abundant well crystallized Chloritoid and with white fibrous and lamellar intergrowths of Margarite. The specimen is of an extraordinary elegance and perfection. The Chloritoid has been analyzed and we will send a copy of the analysis to the buyer.
Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2022)
Specimen size: 7.4 × 6.3 × 3.5 cm = 2.91” × 2.48” × 1.38”

EXX67AP2: Diaspore with Ilmenite, Rutile and Margarite

Flattened prismatic Diaspore crystal, large, transparent to translucent, with bright luster and an intense greenish yellow color and with steps at the base of the crystal and on a specific area of the rear where it is difficult to know whether they are stepped growth or cleavages. Its terminations are covered by Ilmenite crystals, with Rutile microcrystals and leafy aggregates of Margarite. The Ilmenite has been analyzed and we will send a copy of the analysis to the buyer.
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2020)
Specimen size: 14.2 × 5 × 2.2 cm = 5.59” × 1.97” × 0.87”

TBB27CD3: Diaspore with Margarite

V-twinned Diaspore crystals, very thick, with perfectly defined faces and edges. They are well terminated, have very deep green tones, especially towards the rhombic terminal faces, and bear parallel fibrous growths of Margarite crystals, which in most of them are embedded in Diopside. A Turkish classic. Very potent specimen for the locality of origin.
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2022)
Specimen size: 8.6 × 8.3 × 7.2 cm = 3.39” × 3.27” × 2.83”

ER94AM1: Diaspore with Margarite

A large doubly terminated scepter and stepped crystal of Diaspore with polycrystalline terminations, transparent, lustrous, yellow with green reflections and partially covered in some areas by leafy growths of Margarite. A very remarkable specimen both for its size and color and for its perfection.
The specimen has been reviewed, photographed and published in the Russian magazine ‘Mineral Observer’ on page 86 in the volume 26/2021, number 1
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2020)
Specimen size: 14.9 × 3.6 × 1.7 cm = 5.87” × 1.42” × 0.67”

TPP27AO4: Diaspore with Margarite and Ilmenite

Floater crystal of Diaspore, doubly terminated and twinned, with parallel growths and excellent terminations. Very transparent and limpid, lustrous, and of a peculiar yellow color with green reflections, partially covered by lamellar Margarite crystals, and with some small Ilmenite crystals too.
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (11-12/2020)
Specimen size: 8.9 × 2.6 × 2.1 cm = 3.50” × 1.02” × 0.83”

TAB89AO6: Diaspore with Margarite and Rutile on Hematite

Complete twin of two Diaspore crystals with very sharp crystal forms, between transparent and translucent, with good luster and a yellow color with green tones, and with fibrous intergrowths and white lamellar Margarite. What differentiates them from other specimens from this locality is that they are implanted on a group of Hematite crystals with a hexagonal outline and with small Rutile crystals. These specimens have been analyzed and we will send a copy of the analysis to the buyer.
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (11-12/2020)
Specimen size: 5.2 × 3.4 × 2.9 cm = 2.05” × 1.34” × 1.14”

Main crystal size: 4.3 × 3.4 cm = 1.69” × 1.34”

EV96AL7: Diaspore with Mica and Rutile

Partially new after the Sainte Marie Virtual Show 2020. A doubly terminated and floater crystal with polycrystalline terminations that have intergrowths of Mica (probably Margarite) and small acicular crystals of Rutile. The specimen comes from a classic Turkish locality but is distinguished by its great transparency and color, an intense yellow-green under focused natural light and a more yellow under halogen light and with an easily visible dichroism changing between soft red and green tones.
This specimen has been photographed and published in the front cover of the Bulletin ‘MiniBul A.G.A.B.’ number 3/2021
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2020)
Specimen size: 8.6 × 3.3 × 1.5 cm = 3.39” × 1.30” × 0.59”

RQ59M0: Diopside

Excellent miniature. This Diopside crystal has very sharp faces and edges, also an excellent deep color and brilliance.
The handwritten Folch label indicates that it was self-collected by Mr. Folch in 1980 and we can be sure that it was one of the first Diopside specimens from this locality to come to Europe.
Nuristan Province Afghanistan (±1980)
Specimen size: 2.9 × 1.3 × 0.8 cm = 1.14” × 0.51” × 0.31”

TQA46AO0: Diopside

Group of Diopside crystals with an unusual habit, tabular in appearance, but actually formed by very flat dominant prisms. Very transparent, lustrous, and with a color that varies from pale yellow to violet. We will ship the specimen in its original Perky box from the Robert J. (Bob) Noble collection, which also contains the label.
Jeffrey Mine, Asbestos, Les Sources RCM, Estrie, Québec Canada
Specimen size: 3.4 × 2.1 × 1 cm = 1.34” × 0.83” × 0.39”

AR47M4: Diopside

Very esthetic specimen. Crystals are very well defined, with an excellent brilliance, deep green color and a good transparency. On matrix.
Kunar Province (Konar) Afghanistan (2004)
Specimen size: 9 × 5.2 × 4.5 cm = 3.54” × 2.05” × 1.77”

Main crystal size: 1.5 × 0.7 cm = 0.59” × 0.28”

TYB47AN5: Diopside

Floater group of Diopside crystals with very sharp crystal forms and excellent terminations, between transparent and translucent, with good luster and a uniform light green color. We will ship the specimen in its original Perky box from the Robert J. (Bob) Noble collection, which also contains the label.
Karo Pit, D-Block Mine, Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region Tanzania
Specimen size: 3.1 × 2.4 × 1.6 cm = 1.22” × 0.94” × 0.63”

TM81AH6: Diopside

A very sharp Diopside crystal with very well defined faces and edges and a perfect termination, very rich in faces. It is bright, completely transparent, with a very intense and uniform color and has small Graphite inclusions.
We’ll send the sample in its original Perkin’s box from the R.J. Noble collection, also containing the collection label.
Samax Mine, Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region Tanzania
Specimen size: 2 × 0.7 × 0.4 cm = 0.79” × 0.28” × 0.16”

MA89E9: Diopside

Doubly-terminated crystals of Diopside are not that common. In this case they occur in a large group of quite long subparallel crystals. The color, transparency and position on the matrix are also striking.
Kunar Province (Konar) Afghanistan (2004)
Specimen size: 8 × 5.3 × 3.5 cm = 3.15” × 2.09” × 1.38”

MF46V0: Diopside

Very aerial group of flattened elongated crystals with very well defined faces and edges, transparent, bright and with a slightly bluish green color.
The sample is from the Tiziano Bonisoli collection (number 6383) whose label we’ll send to the buyer.
Alpe delle Frasse, Condove, Susa Valley, Metropolitan City of Turin Province, Piedmont (Piemonte) Italy (±1990)
Specimen size: 2.8 × 2.2 × 1.5 cm = 1.10” × 0.87” × 0.59”

Main crystal size: 1.6 × 0.6 cm = 0.63” × 0.24”

RZ6F9: Diopside

It seems to emerge from an old book of mineralogy, this classic group of prismatic crystals, some of them doubly-terminated, has a rich green color. It is on a green schist matrix.
Cherbadung, Binnthal Switzerland
Specimen size: 4.2 × 3.3 × 2.5 cm = 1.65” × 1.30” × 0.98”

RP59V0: Diopside

Very sharp crystal with neat faces and edges, translucent, and with a very deep and uniform green color. Surely one of the first (near 1980) Afghan diopsides to arrive in Europe.
Nuristan Province Afghanistan (±1980)
Specimen size: 2.4 × 1.5 × 0.9 cm = 0.94” × 0.59” × 0.35”

RR8P8: Diopside

Probably this is one of the first Diopside crystals from Afghanistan to arrive in Europe, due to the fact that it was obtained at the locality by Alberto Folch in 1980, as the original label says. The single crystal has very well defined faces and edges, a very deep and uniform green color and it is rather transparent.
Nuristan Province Afghanistan (±1980)
Specimen size: 2.9 × 0.7 × 0.6 cm = 1.14” × 0.28” × 0.24”

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