巴西金帝王托帕石 • 2.65 克拉 • 卓越透明度与宝石级品质 - 高度: 10 mm - 宽度: 7 mm- 0.53 g - (1)

DESCRIPTION:
Some crystals draw the eye with colour. Others hold it with detail. This Imperial Topaz does both, gathering warm golden light within a sculptural prism whose fine vertical lines lead towards an uneven crown of inclined faces.

Across its body, delicate champagne yellow gives way to richer honey gold along the edges and lower portion. The effect is one of quiet luminosity: transparent passages open into the interior, while reflective structures catch the light and briefly bring individual details into focus.

Its silhouette gives that warmth a distinctive framework. Upright prism faces rise towards an asymmetric termination, where sloping surfaces interrupt the orderly vertical lines below. Each perspective reveals a different relationship between these faces, lending the crystal an individual character beyond its colour.

Fine longitudinal striations trace the exterior, while visible internal features introduce depth and shifting reflections. Broad windows of transparency sit beside more intricate areas, inviting the eye to move between the surface and the world within.

From Ouro Preto, Minas Gerais, this specimen brings together the golden palette of Brazilian Imperial Topaz and the visual interest of its crystalline form. Its attraction is not a single dramatic feature, but the interplay of warm colour, vitreous lustre and a crown that gives the piece its own distinctive outline.

SPECIFICATIONS:
• Weight: 0.53 g
• Weight in carats: 2.65 ct
• Dimensions: 10 × 7 × 4 mm
• Origin: Ouro Preto, Minas Gerais, Brazil
• Mineral species: Topaz
• Variety: Imperial Topaz
• Crystal system: Orthorhombic
• Crystal habit: Short prismatic crystal
• Termination: Asymmetric termination with inclined faces
• Colour: Golden champagne yellow with honey gold accents
• Colour behaviour: Paler champagne areas and deeper golden reflections vary with illumination and viewing angle
• Transparency: Transparent in areas, with visible internal features
• Lustre: Vitreous
• Surface features: Longitudinal striations, reflective prism faces and textured upper surfaces
• Internal features: Fine inclusions, internal planes and reflective structures
• Hardness: 8 on the Mohs scale

NOTABLE POINTS:
• Historic Brazilian provenance
The stated origin of Ouro Preto connects the specimen with a locality closely associated with Imperial Topaz.

• Golden champagne palette
Delicate champagne yellow provides the foundation for a warm and luminous visual character.

• Honey gold accents
Richer golden tones gather along the edges and lower portion, adding depth to the colour.

• Sculptural prismatic form
Broad upright faces give the crystal a defined silhouette and an architectural presence.

• Distinctive asymmetric crown
Inclined terminal faces create an individual outline that changes between viewing angles.

• Longitudinal striations
Fine vertical surface lines draw attention to the prism’s structure and growth direction.

• Windows of transparency
Transparent areas invite a closer view of the crystal’s interior and its layered details.

• Reflective internal planes
Internal structures catch the light at different angles, producing shifting points of brightness.

• Vitreous lustre
Glassy reflections across the faces and edges complement the warmth of the body colour.

• Contrasting surface textures
The linear prism faces meet more intricate upper surfaces, creating an engaging visual contrast.

• Balanced crystal proportions
The relationship between the broad body and inclined crown gives the specimen a compact, harmonious presence.

• Interest from multiple perspectives
Successive views reveal different combinations of colour, internal detail and terminal geometry.

COLLECTOR’S INTEREST:
This specimen brings together several qualities of interest to collectors of Brazilian minerals: the stated Ouro Preto provenance, a recognisable prismatic habit, warm golden colour and a distinctive termination. Its appeal lies in the relationship between colour and crystal architecture, rather than colour alone.

The longitudinal structures and inclined upper faces offer attractive details for examination under magnification. Viewed from different directions, the internal reflections and transparent areas give the crystal a changing appearance while preserving its characteristic golden identity.

It would complement a collection focused on Imperial Topaz, Brazilian localities or the relationship between gem materials and their original crystalline forms. Retaining the specimen in its present state preserves the combination of external morphology and internal detail that makes this particular example recognisable.

LAPIDARY POTENTIAL:
The golden colour and transparent areas make the material of potential interest for a lapidary assessment. Any cutting plan would depend on direct examination of its internal features, usable depth and cleavage orientation; a reliable finished weight or clarity outcome cannot be established from photographs alone.

Its existing prism and distinctive termination also provide a strong reason to preserve it as a mineral specimen. For a collector who values crystal morphology, keeping its present form retains qualities that would be removed during faceting.
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• Dispatch time: within 1 to 3 business days after payment confirmation to Catawiki
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Photography and transparency:
All photographs are taken under controlled lighting conditions using a macro lens, carefully selected to present each specimen as accurately as possible.
No filters, colour enhancement, or artificial saturation are applied.
The lighting setup uses a calibrated 5500K light source, replicating neutral daylight to reveal natural tones, surface features, and internal characteristics. Under warmer or weaker indoor lighting, colours may appear slightly different, which is normal.
The purpose of this photographic process is documentation and representation, not visual enhancement. Images are intended to reflect the specimen faithfully as it appears under balanced natural light conditions.

Identification and ethics:
All specimens offered are natural and described to the best of our knowledge, based on direct sourcing, professional experience, and information provided by trusted suppliers working at the origin.
Every effort is made to ensure transparency and accuracy regarding identification, locality, and general characteristics, avoiding misleading statements about treatment, provenance, or nature.

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These charges are not included in the auction price or shipping cost and are determined by the buyer’s local authorities.

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Each case is handled individually and fairly, with appropriate solutions offered when justified.

Appreciation and commitment:
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Each piece is chosen for its individual qualities rather than speculative or financial considerations. We aim to provide a transparent, reliable, and consistent experience for collectors at all levels.

With gratitude,
GemPulse Minerals