卓越した三重インターグロースのハーキマー・ダイヤモンド • ノーリザーブ価格 • 希少なアグリゲーションとピュアクリスタルクリーン - Height: 6 mm - Width: 4.5 mm- 0.03 g - (1)

Description:
This exceptional Genuine Herkimer Diamond from Herkimer County, New York, presents a highly aesthetic intergrown crystal aggregate composed of three naturally fused crystals. Rather than a single isolated crystal, the specimen displays a more complex and visually engaging architecture, with one principal crystal positioned at the top, a second larger crystal developed below and slightly to one side, and a smaller intermediary crystal elegantly bridging the two. This natural arrangement gives the piece a sculptural and highly collectible character.

All three crystals display the classic Herkimer habit of naturally developed double terminations, with sharply formed faces and excellent geometric definition. The main upper crystal is the most visually dominant, rising with strong presence and beautifully balanced proportions. Beneath it, the second crystal contributes additional volume and symmetry, while the smaller central crystal creates a refined point of connection that unifies the entire aggregate into a single coherent composition.

What most distinguishes this specimen is its remarkable internal purity. The crystals are crystal clean and fully transparent, allowing light to pass freely through the aggregate with exceptional clarity. This transparency gives the specimen a bright, diamond like optical presence and allows each crystal to remain individually legible despite their fused growth.

The lustre is equally attractive. Smooth natural faces reflect light with a bright vitreous brilliance, while the sharply preserved terminations generate crisp highlights from multiple angles. As the specimen is rotated, the intergrown structure becomes increasingly expressive, revealing a dynamic interplay of reflections between the three crystals and reinforcing the impression of a naturally sculpted mineral form.

Because the crystals are fused rather than isolated, the specimen offers more than just clarity. It records a natural episode of simultaneous or successive crystallisation, preserved in a compact aggregate where structure, transparency and locality come together in exceptional harmony. The visual dialogue between the three crystals gives the piece a distinctly mineralogical appeal while maintaining the refined elegance expected from high quality Herkimer material.

Though very small in size, this is a specimen of high aesthetic precision. Its value lies in the rarity of the intergrown habit, the excellent preservation of multiple terminations and the complete crystal clean transparency that elevates it well above more ordinary examples.

Specifications:
• Weight: 0.03 g
• Weight in carats: 0.15 ct
• Dimensions: 6 × 4.5 × 4 mm
• Origin: Herkimer County, New York, United States
• Material: Genuine Herkimer Diamond
• Mineral species: Quartz
• Crystal habit: Intergrown aggregate of three double terminated crystals
• Crystal arrangement: One principal upper crystal, one lower lateral crystal, and one smaller bridging crystal
• Terminations: Multiple complete natural terminations
• Colour: Colourless
• Transparency: Fully transparent
• Internal features: Crystal clean
• Lustre: Vitreous to highly reflective
• Surface features: Natural crystal faces with minor natural external growth textures
• Treatment: None
• Condition: Natural, untreated specimen

Notable Points:
• Intergrown Three Crystal Aggregate
This specimen is composed of three naturally fused Herkimer crystals, creating a far more complex and desirable structure than a single crystal example.
• Strong Sculptural Composition
The arrangement of one upper crystal, one lower lateral crystal and one smaller connecting crystal gives the piece a beautifully balanced natural architecture.
• Multiple Double Terminations
Each visible crystal preserves the classic Herkimer double terminated habit, adding significant mineralogical and aesthetic value.
• Exceptional Crystal Clean Clarity
The interior remains remarkably clean, allowing the fused crystals to be appreciated with outstanding visual purity.
• Complete Transparency
Light passes freely through the specimen, enhancing its brilliance and reinforcing its diamond like optical character.
• Bright Vitreous Lustre
The natural faces reflect light sharply and cleanly, producing lively brilliance from different viewing angles.
• Excellent Face Definition
The prism faces and terminations remain highly readable, preserving the natural crystallographic geometry of the aggregate.
• Rare Intergrowth Character
Intergrown Herkimer specimens with this level of transparency and clarity are especially attractive to collectors seeking more than a standard single crystal.
• Classic Herkimer Locality
Originating from Herkimer County, New York, the world famous source for these naturally double terminated quartz crystals.
• Natural and Untreated
All structural, optical and crystallographic features are entirely natural and have not been altered in any way.

Collector’s Interest:
Among Herkimer Diamonds, intergrown aggregates hold a special appeal because they combine the brilliance of the material with a more unusual and mineralogically expressive growth habit. In this case, the appeal is heightened by the crystal clean transparency and the excellent readability of all three fused crystals.

For collectors, this specimen offers a particularly attractive combination of rarity, locality and structure. It is not simply a transparent Herkimer, but a refined three crystal intergrowth with strong aesthetic presence and excellent natural preservation.

Lapidary Potential:
Although the clarity and transparency are high enough to invite consideration for jewellery or lapidary use, the true value of this specimen lies in its preserved natural form. Any intervention would destroy the intergrown three crystal architecture and remove the multiple natural terminations that define its identity.

For that reason, it is best appreciated as a natural collector specimen, where its rare aggregate form, crystal clean transparency and classic Herkimer character remain fully intact.

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Shipping and Handling:
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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.

Customs and import taxes:
Any customs duties, import fees, or local taxes applied by the destination country are entirely the responsibility of the winning bidder.
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:
We sincerely thank you for your trust. Our work focuses on careful selection, accurate representation, and respectful presentation of mineral specimens with character and interest.
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