Lapiedra Niks Indian - Sapphire

| Collection | Theme | Typical Settings | |------------|-------|-----------------| | “Mysore Midnight” | Dark, velvety blues reminiscent of the Deccan night sky. | Solitaire, halo, and “double‑prong” settings in 18 K white gold. | | “Kashmir Echo” (Limited edition) | Re‑creation of the historic Kashmir blue, using the rare “star‑sapphire” phenomenon. | Star‑cut pendants and cufflinks. | | “Rajasthan Radiance” | Multi‑color sapphires (blue, pink, yellow) arranged in a gradient. | Pavé “rainbow” rings and bracelets. | | “Saffron & Sapphire” | Fusion of Indian cultural motifs (peacock feather, lotus) with sapphire. | Artisan‑hand‑engraved 22 K gold pieces. |

All designs are hand‑finished and come with a certificate of authenticity (including a laser‑etched GemTrace code) and a 5‑year warranty covering chips and polishing wear.

| Feature | Details | |---------|---------| | Mineral | Corundum (Al₂O₃) – the second hardest natural material after diamond (Mohs 9). | | Color Origin | Trace amounts of iron (Fe) and titanium (Ti) produce the classic deep‑blue hue; chromium (Cr) yields pink, iron + titanium can give violet, while iron alone can result in yellow or green. | | Deposits | Primary locations in India:
• Mandla (Madhya Pradesh) – the oldest known sapphire mining area.
• Kashmir (Jammu & Kashmir) – famed for legendary “Kashmir blue” sapphire (now largely exhausted).
• Mysore (Karnataka) – increasingly important for new, high‑quality finds. | | Formation Age | Typically Precambrian to Cambrian (≈540–650 Ma), formed under high temperature and pressure in metamorphic rocks. | | Typical Inclusions | Silk‑like rutile needles, “feather” inclusions, and mineral crystals (e.g., spinel) that can be used as identifiers of Indian origin. | | Collection | Theme | Typical Settings |

| Issue | Recommended Action | |-------|---------------------| | Surface Smudges | Clean with a soft, lint‑free cloth and a mild soap‑water solution. Avoid abrasive cleaners. | | Heavy Dirt | Soak for 5 minutes, then gently brush with a soft toothbrush. Rinse thoroughly. | | Scratches | Minor scratches can be polished by a professional lapidary; avoid DIY sanding. | | Storage | Keep each sapphire separate in a soft pouch or a fabric‑lined jewelry box to prevent contact with harder gemstones (e.g., diamond). | | Exposure | Although sapphire is very hard, prolonged exposure to strong chemicals (chlorine, bleach) can affect metal settings. Remove jewelry before swimming or cleaning. |

NIKS (short for “New Indian Kyanite Studio”, though the name now stands for “Noble, Innovative, Kaleidoscopic, Sustainable”) has refined a six‑step workflow that maximizes brilliance while preserving the stone’s natural character. Artifact/Story: A single object named in narrative fiction

| Step | Description | Tools & Technology | |------|-------------|---------------------| | 1. Rough Sorting | Stones are evaluated for color, clarity, and potential cut. | Hand‑held spectroscope, 3‑D optical scanner. | | 2. Planning & CAD | A digital model of the optimal facet layout is created. | GemCAD Pro software with ray‑tracing algorithms. | | 3. Pre‑forming (Sawing) | The rough is trimmed to a manageable shape. | Ultra‑low‑vibration diamond wire saw. | | 4. Cutting & Faceting | Precise facets are cut to enhance light return. | CNC facetters with laser‑guided alignment; diamond‑coated grinding wheels. | | 5. Polishing | Each facet receives a series of polishing pads (coarse → fine) to achieve a mirror finish. | Cerium oxide slurry, ultrasonic polishing bath. | | 6. Quality Inspection | Final gem is examined for symmetry, polish, and any remaining inclusions. | GIA‑calibrated loupe (10×), spectrophotometer, and a refractive index meter. |

The result is a “NIKS‑cut” sapphire—renowned for its “fire‑like” dispersion, deep saturation, and a “bloom” effect that gives the stone a living, three‑dimensional presence.