Nice Red Jasper Shere - Dynamic Patterns Carved Decorative - Height: 156 mm - Width: 156 mm- 4948 g - (1)





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Holds BSc in geology and post-graduate qualifications in geochemistry.
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Description from the seller
Museum specimen with rich coloration and natural stratification — This exceptional lot presents as a sphere meticulously carved from jasper, a microcrystalline silicaceous sedimentary rock, predominantly composed of quartz (SiO2). Its formation is intrinsically linked to diagenetic or hydrothermal processes in volcanic or sedimentary settings, where silica consolidates by entombing mineral inclusions. The dominant coloration, ranging from terracotta red to rust brown, is attributable to the presence of iron oxides, which act as chromophores determining the wide and complex color palette typical of this mineral. Visual analysis of this macro-specimen reveals a surprising wealth of colors and texture. The main body of the sphere features intense shades of deep red and burnt orange, blending harmoniously with accents of golden ochre and earthy brown. The surface, finely polished with a mirror finish, amplifies the perception of the material's density and the depth of its pigments, highlighting a variegated internal weave adorned with subtle veins and widespread inclusions that confer notable dynamism and a sense of three-dimensionality to its structure. The distinctive and geologically most interesting feature is the presence of a prominent multicolored band traversing the equator of the sphere. This band, consisting of alternating grayish quartz, milky white, ochre, and dark brown, presents with a marked chromatic and structural delineation compared to the surrounding jasper. Such zonation points to multiple depositional sequences or to complex secondary alteration processes, where different generations of minerals successive, creating a natural stratification effect that bears witness to the sample's geological evolution. The aesthetic quality of this sphere is of a collector-grade level, not only for the intensity and diversity of color but also for the precision of spherical workmanship and the impeccable polish that enhance the intrinsic beauty of jasper. The geological bands are not merely decorative elements but represent a visual narrative of tectonic and sedimentary processes, evoking the image of ancient rock strata or large-scale geological formations. It is a true work of natural art, blending aesthetic elegance with deep scientific and geological significance. The specimen is presented in excellent preservation, with no interventions altering its composition or natural appearance, aside from the workmanship and polishing. No significant fractures, chips, or other structural defects that could compromise its integrity or intrinsic value are observed. The hardness of jasper ensures notable durability, making it an ideal piece for display in private or institutional collections. This imposing sphere of Madagascar jasper represents a prestigious addition to any mineralogical or stone art collection. Its considerable dimensions, extraordinary chromatic complexity, and clarity of geological bands distinguish it as a reference specimen. Its uniqueness lies in the combination of a relatively common mineral with an exceptionally rich and well-defined color and banding phenomenon, offering an unparalleled opportunity for collectors seeking pieces with strong geological character and refined aesthetics.
Seller's Story
Museum specimen with rich coloration and natural stratification — This exceptional lot presents as a sphere meticulously carved from jasper, a microcrystalline silicaceous sedimentary rock, predominantly composed of quartz (SiO2). Its formation is intrinsically linked to diagenetic or hydrothermal processes in volcanic or sedimentary settings, where silica consolidates by entombing mineral inclusions. The dominant coloration, ranging from terracotta red to rust brown, is attributable to the presence of iron oxides, which act as chromophores determining the wide and complex color palette typical of this mineral. Visual analysis of this macro-specimen reveals a surprising wealth of colors and texture. The main body of the sphere features intense shades of deep red and burnt orange, blending harmoniously with accents of golden ochre and earthy brown. The surface, finely polished with a mirror finish, amplifies the perception of the material's density and the depth of its pigments, highlighting a variegated internal weave adorned with subtle veins and widespread inclusions that confer notable dynamism and a sense of three-dimensionality to its structure. The distinctive and geologically most interesting feature is the presence of a prominent multicolored band traversing the equator of the sphere. This band, consisting of alternating grayish quartz, milky white, ochre, and dark brown, presents with a marked chromatic and structural delineation compared to the surrounding jasper. Such zonation points to multiple depositional sequences or to complex secondary alteration processes, where different generations of minerals successive, creating a natural stratification effect that bears witness to the sample's geological evolution. The aesthetic quality of this sphere is of a collector-grade level, not only for the intensity and diversity of color but also for the precision of spherical workmanship and the impeccable polish that enhance the intrinsic beauty of jasper. The geological bands are not merely decorative elements but represent a visual narrative of tectonic and sedimentary processes, evoking the image of ancient rock strata or large-scale geological formations. It is a true work of natural art, blending aesthetic elegance with deep scientific and geological significance. The specimen is presented in excellent preservation, with no interventions altering its composition or natural appearance, aside from the workmanship and polishing. No significant fractures, chips, or other structural defects that could compromise its integrity or intrinsic value are observed. The hardness of jasper ensures notable durability, making it an ideal piece for display in private or institutional collections. This imposing sphere of Madagascar jasper represents a prestigious addition to any mineralogical or stone art collection. Its considerable dimensions, extraordinary chromatic complexity, and clarity of geological bands distinguish it as a reference specimen. Its uniqueness lies in the combination of a relatively common mineral with an exceptionally rich and well-defined color and banding phenomenon, offering an unparalleled opportunity for collectors seeking pieces with strong geological character and refined aesthetics.
