巴西产最罕见的紫色帝王黄玉 • 2.90 克拉 • 万里挑一的珍品，拥有令人难以置信的饱和度和虹彩 - 高度: 11 mm - 宽度: 7 mm- 0.58 g - (1)

DESCRIPTION:

According to estimates communicated directly to GEMPULSE Minerals from the Ouro Preto mining community, only about one in ten thousand Imperial Topaz crystals displays purple pink colour with this degree of saturation. This specimen presents a compelling expression of that exceptional colour, combining concentrated purple pink passages, luminous rose pink faces and vivid internal rainbow iridescence within an expressive prismatic form.

The most striking feature is the relationship between the deeper purple interior and the brighter pink surrounding it. In several views, a concentrated plum to magenta purple passage extends through the central portion of the crystal, framed by luminous rose pink along the outer faces. This gives the specimen a layered appearance, with colour seeming to sit at different depths rather than forming a single uniform surface tone.

Its saturation is particularly captivating where the richer purple areas meet bright fuchsia pink reflections. The contrast creates a strong visual rhythm through the prism, drawing the eye from the coloured upper portion towards the illuminated lower edges. In other orientations, the rose pink becomes more prominent, while the purple remains visible as a deeper accent within the body.

Internal iridescence adds a second, distinctly different source of colour. At particular viewing angles, concentrated rainbow flashes appear within the middle and lower portions of the crystal, displaying green, yellow, orange, violet and occasional blue highlights. These flashes stand out vividly against the purple pink background, creating jewel like points of colour within the transparent areas.

The rainbow effect is localised rather than spread evenly across the specimen. This makes it especially engaging to discover as the crystal is rotated: a face dominated by pink and purple can reveal a bright multicoloured internal reflection from another direction. The iridescence complements the body colour while remaining visually distinguishable from it.

The external form is equally individual. Broad vertical prism faces frame an interior with curved reflective contours and stepped details, while fine longitudinal lines emphasise the upright structure. The upper contour rises towards an irregular pointed crest, with textured surfaces that catch numerous bright reflections. This gives the crystal a sculptural character, combining comparatively straight lateral faces with a more intricate summit.

Its vitreous lustre produces bright, elongated reflections along the sides and smaller flashes across the upper surfaces. Transparent passages allow the eye to follow internal planes beneath these reflections, giving the specimen a sense of depth. Scattered warm amber coloured details are also visible, particularly near the upper portion, adding subtle accents to the dominant pink and purple palette.

From Ouro Preto, Minas Gerais, Brazil, this Imperial Topaz is distinguished by the combination of intense purple pink colour, concentrated darker passages and discoverable internal rainbow flashes. Its appeal is both immediate and progressive: the body colour commands attention first, while rotation reveals the iridescence and the individual structure that make this particular crystal memorable.

SPECIFICATIONS:
• Weight: 0.58 g
• Weight in carats: 2.90 ct
• Dimensions: 11 × 7 × 4.5 mm
• Origin: Ouro Preto, Minas Gerais, Brazil
• Mineral species: Topaz
• Variety: Imperial Topaz
• Form: Prismatic crystal specimen
• Colour: Intensely saturated purple pink with rich magenta and plum purple passages
• Colour distribution: Deeper purple areas within the body, framed by brighter rose pink faces and edges
• Optical feature: Localised internal rainbow iridescence
• Iridescent colours: Green, yellow, orange, violet and occasional blue flashes
• Transparency: Transparent to locally translucent
• Lustre: Strong vitreous lustre
• Upper contour: Irregular pointed crest with textured reflective surfaces
• Surface features: Longitudinal lines, broad prism faces and stepped surface details
• Internal features: Reflective planes, curved contours and scattered warm coloured inclusions
• Treatment: None, as declared by the seller

NOTABLE POINTS:
• Intensely Saturated Purple Pink Colour
The specimen displays concentrated purple pink colour, with especially rich magenta and plum toned passages visible through the prism.

• Contrasting Rose Pink Frame
Brighter lateral faces and lower edges surround deeper internal colour, giving the crystal a layered and luminous appearance.

• Distinct Internal Rainbow Iridescence
Localised multicoloured flashes provide an additional visual feature beyond the principal body colour.

• Vivid Green and Golden Flashes
Green, yellow and orange reflections are particularly striking where they appear against the surrounding pink and purple.

• Colour Revealed Through Rotation
Different viewing angles expose different combinations of purple depth, rose pink brightness and internal iridescence.

• Strong Vitreous Brilliance
Broad faces produce elongated reflections, while the textured upper surfaces sparkle through numerous smaller highlights.

• Expressive Prismatic Form
Clearly visible vertical faces give the specimen an upright architectural character.

• Individual Pointed Upper Contour
An irregular raised crest and textured summit distinguish the specimen from a uniformly shaped prism.

• Fine Longitudinal Surface Detail
Parallel lines along the lateral faces reinforce the visual direction of the crystal.

• Layered Internal Reflections
Curved and angular reflective features create depth beneath the surface and draw attention into the coloured body.

• Subtle Amber Accents
Scattered warm coloured details add another layer of visual interest, particularly around the upper portion.

• Ouro Preto Provenance
The stated Brazilian locality forms part of the specimen’s identity as an Imperial Topaz collector crystal.

COLLECTOR’S INTEREST:
The defining collector attraction of this specimen is the conjunction of two visually distinct characteristics: concentrated purple pink body colour and localised rainbow iridescence. The first establishes its immediate presence; the second rewards closer examination and changes in viewing angle.

Its internal colour distribution is particularly engaging. Deeper plum and magenta passages appear enclosed by brighter rose pink faces, creating depth within the prism. The iridescent reflections introduce brief flashes of green, gold, orange and violet into this composition, giving the crystal an appearance that cannot be fully conveyed by a single frontal view.

The form contributes equally to its individuality. Straight lateral faces, fine longitudinal lines and an irregular pointed summit create a recognisable silhouette, while the internal reflective contours provide further detail at close range.

For a collection focused on Imperial Topaz, this specimen offers a specific and coherent identity: intense purple pink colour, luminous peripheral faces and an internal rainbow effect that becomes apparent as the piece is turned.

LAPIDARY POTENTIAL:
The concentrated colour and transparent areas give this Topaz potential interest for a lapidary assessment. Direct examination would be needed to determine suitable orientation and the distribution of material appropriate for cutting.

Its existing appeal, however, includes features that are best appreciated together in the present crystal: the vertical purple passages, the rose pink framing, the textured upper contour and the localised iridescence. The rainbow effect depends on particular internal reflective features and should not be assumed to remain unchanged after cutting.

Preserving the specimen in its current form retains this complete combination, allowing its colour, brilliance and internal optical details to be explored as part of a single distinctive Imperial Topaz crystal.

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All photographs are taken under controlled lighting conditions using a macro lens, carefully selected to present each specimen as accurately as possible.
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GemPulse Minerals