Phenakit Crystal - Height: 10 mm - Width: 9 mm- 0.78 g - (2)
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Two natural phenacite rough crystals from the Jos Plateau region, Nigeria, with a total weight of 3.90 ct and about 0.78 g; the larger crystal is approximately 10 × 9 mm and the smaller about 7 × 6 mm, colorless to very pale warm tinted and highly transparent.
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Description from the seller
Phenakite / Phenacite – 2 natural rough crystals – Jos, Nigeria – 3.90 ct
Offered is a lot of two natural Phenakite rough crystals from Nigeria with a total weight of 3.90 carats.
I personally purchased the crystals from a gemstone dealer in Abuja, Nigeria. According to the dealer, the pieces come from a mine in the Jos region (Jos Plateau), a well-known source of Phenakite in Nigeria.
Description
The two crystals are colorless to very faint warm tinted and exhibit, for the material, a remarkable transparency as well as a pronounced glassy luster.
Of particular interest is the complex natural crystal structure. Under macro observation, numerous stepped, geometric growth and surface structures become visible. Depending on the viewing angle, strong reflections and different optical structures appear inside the crystals.
The pieces show natural irregularities, inclusions, and isolated orange to brown mineral adherences or inclusions. These are clearly visible in the high-resolution macro shots and were not removed.
Data:
Mineral: Phenakite / Phenacite
Chemical formula: Be2SiO4
Quantity: 2 natural rough crystals
Total weight: 3.90 ct
Larger crystal: approx. 10 mm, maximum width approx. 9 mm
Smaller crystal: approx. 7 × 6 mm
Color: colorless to very faint warm tinted
Transparency: transparent
Condition: natural, rough and uncut
Place of purchase: Abuja, Nigeria
Origin according to dealer: Mine in the Jos region / Jos Plateau, Nigeria
Photography
The images show the crystals as actually offered. It is mostly macro photography in daylight.
Due to the strong magnification of macro shots, the crystals appear much larger than their actual dimensions. The photos are intended to show as detailed as possible the natural surface structure, transparency, inclusions and growth features.
Provenance: Personally acquired in Abuja from a Nigerian gemstone dealer; origin Jos according to the dealer.
The photos are part of the description. Due to different screen settings, color, brightness and contrast may differ slightly from the actual appearance.
Phenakite / Phenacite – 2 natural rough crystals – Jos, Nigeria – 3.90 ct
Offered is a lot of two natural Phenakite rough crystals from Nigeria with a total weight of 3.90 carats.
I personally purchased the crystals from a gemstone dealer in Abuja, Nigeria. According to the dealer, the pieces come from a mine in the Jos region (Jos Plateau), a well-known source of Phenakite in Nigeria.
Description
The two crystals are colorless to very faint warm tinted and exhibit, for the material, a remarkable transparency as well as a pronounced glassy luster.
Of particular interest is the complex natural crystal structure. Under macro observation, numerous stepped, geometric growth and surface structures become visible. Depending on the viewing angle, strong reflections and different optical structures appear inside the crystals.
The pieces show natural irregularities, inclusions, and isolated orange to brown mineral adherences or inclusions. These are clearly visible in the high-resolution macro shots and were not removed.
Data:
Mineral: Phenakite / Phenacite
Chemical formula: Be2SiO4
Quantity: 2 natural rough crystals
Total weight: 3.90 ct
Larger crystal: approx. 10 mm, maximum width approx. 9 mm
Smaller crystal: approx. 7 × 6 mm
Color: colorless to very faint warm tinted
Transparency: transparent
Condition: natural, rough and uncut
Place of purchase: Abuja, Nigeria
Origin according to dealer: Mine in the Jos region / Jos Plateau, Nigeria
Photography
The images show the crystals as actually offered. It is mostly macro photography in daylight.
Due to the strong magnification of macro shots, the crystals appear much larger than their actual dimensions. The photos are intended to show as detailed as possible the natural surface structure, transparency, inclusions and growth features.
Provenance: Personally acquired in Abuja from a Nigerian gemstone dealer; origin Jos according to the dealer.
The photos are part of the description. Due to different screen settings, color, brightness and contrast may differ slightly from the actual appearance.
Details
Number of objects
2
Main mineral
Phenakit
Mineral form
Crystal
Weight
0.78 g
Origin (region/city)
Jos, Plateau State
Country of origin
Nigeria
Height
10 mm
Width
9 mm
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