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The Astral Pathway | 18K Gold PVD & Etched Meteorite Tungsten Band

Price$365.00 USD

A fragment of deep time, held inside a structure built for daily wear.

SIZE:
Size Guide For Structural Band
Aura Brilliant Ring Measurement Guide Archive Calibration Guide
The Biomechanics of Fit

Aura Brilliant archives feature a precision Comfort-Fit domed interior. This allows the monolithic metal to slide smoothly and adapt to the natural volumetric fluctuations of your tissue.

Primary Protocol: Inner Diameter



DIAMETER

The Tension Rule: Flesh compresses; tungsten does not. For absolute precision, measure the inner diameter of an existing ring that fits perfectly and match it below.

US Size Diameter (mm) Circumference
7 17.3 54.4
8 18.1 56.9
9 18.9 59.5
10 19.8 62.1
11 20.6 64.6
12 21.4 67.2
13 22.2 69.7
Secondary Protocol: Paper Calibration

If you do not have an existing ring, download our 1:1 printable calibration strip.

Download PDF Sizer (US Letter)

Critical Execution: Apply Firm Tension.

Paper does not stretch. Ensure the strip is pulled tightly across the knuckle to simulate metal compression, or it will read 1 size too large.

The 8mm Profile Logic: Given our substantial width, if your diameter measurement falls strictly between two sizes, we recommend selecting the next whole size up.

Complimentary Archive Exchange We engineer resilience, not friction. Should your initial calibration be less than absolute, we provide a complimentary re-calibration piece, once per acquisition — no return of the original is required.

Tertiary Protocol — Screen Calibration
No ruler. No printer.

Calibrate this screen against an object of known dimension, then read your size directly off the glass.

Step 01 — Calibrate the screen

Hold any bank card flat against the screen, short edge across, and drag until the outline matches its edges exactly. Every bank card measures 53.98 × 85.60 mm — ISO/IEC 7810, without exception. Use a US quarter instead →

Step 02 — Match a ring you already wear

10
US size · 19.8 mm inner diameter

Lay the ring flat on the screen. The circle should sit exactly inside the band, its outline just disappearing beneath the metal. Flesh compresses; tungsten does not — on an 8 mm profile, if you fall between two sizes, take the larger.

SIZE

ARCHIVE MARK OPTIONAL · COMPLIMENTARY
ACQUISITION PROTOCOL
ONE INITIAL FIT EXCHANGE

Wrong size? We issue the correct size once. The original remains with you.

LIFETIME STRUCTURAL REPLACEMENT

For qualifying accidental fracture during the life of the band. Shipping fees apply.

INSCRIPTION PROTOCOL
Confirm size before inscription. Inscribed pieces are final sale.
SIZE CALIBRATION
The Astral Pathway | 18K Gold PVD & Etched Meteorite Tungsten Band
The Astral Pathway | 18K Gold PVD & Etched Meteorite Tungsten Band Price$365.00 USD
The Astral Pathway · Technical Deconstruction

Multi-Layer Architecture & PVD Interface

8.0 MM PROFILE · COMFORT-FIT CORE
03 · SUBSTRATE CORE 15.6 g/cm³ + 18K PVD 02 · METEORITE INLAY Widmanstätten Lattice 01 · CLEAR SEALANT Flush Protective Barrier
Layer 01 · Exterior Barrier Flush-Polished Seal

Protective Clear Resin Encapsulation

Because iron-nickel meteorite is naturally reactive to moisture and skin salinity, the recessed inlay channel is sealed beneath a transparent jeweler's resin barrier. Avoid prolonged water submersion or harsh solvents to preserve the seal.

Layer 02 · Center Channel Acid-Etched Iron-Nickel

Widmanstätten-Pattern Meteorite Inlay

Each slice of meteorite is acid-etched to reveal its interlocking kamacite and taenite crystal bands formed over slow cosmic cooling. Because the crystalline grain is natural, no two bands share an identical pattern.

Layer 03 · Structural Chassis 15.6 g/cm³ · Mohs 9.0

Sintered Tungsten Core & 18K Gold PVD

Polycrystalline tungsten carbide provides permanent circular geometry and substantial physical heft, finished with a domed Comfort-Fit interior and micron-scale 18K Gold PVD beveled edges.

CONVENTIONAL WET ELECTROPLATING SURFACE-ONLY ADHESION · PRONE TO EDGE DELAMINATION MICRO-DELAMINATION GAP SUBSTRATE MATRIX (NO INTERDIFFUSION ZONE)
18K GOLD VACUUM PVD INTERFACE HIGH-VACUUM ION BOMBARDMENT · DENSE MICRON FILM DENSE 18K GOLD PVD LAYER (1–5 μm) HIGH-ADHESION TRANSITION BOUNDARY MOHS 9.0 SINTERED TUNGSTEN CARBIDE SUBSTRATE
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Wet Electroplate Vacuum PVD

Why Wet Electroplating Fails on Hardmetals

Traditional electroplating dips metal into a chemical bath to deposit a soft gold film on the surface. Because tungsten carbide is chemically inert, standard electroplating lacks structural grip and frequently peels or flakes along high-contact bevels.

The High-Vacuum PVD Process

Physical Vapor Deposition (PVD) takes place inside a high-vacuum chamber. Gold alloy targets are vaporized into energized ions and accelerated onto the substrate, forming a dense, micron-scale surface film that resists daily abrasion and oxidation.

Material Transparency (FTC Compliance): Our 18K Gold PVD is a high-durability vacuum-deposited surface coating bonded to a tungsten carbide core—it is not solid gold bullion. Over years of friction, it will develop a natural surface character (Chronos Evolution).

The Aura Ceremony

Every monolithic archive is housed within a $59 Structural Vault, included at no additional cost as part of the initial acquisition ceremony.

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