100% Authentic Natural Gemstones.
Certified Pure.
Every Calidora Gua Sha & Facial Roller is carved from 100% raw, unheated natural mineral crystal. Backed by accredited gemological laboratory testing and our 7-Day Accidental Breakage Guarantee.
3 Pillars of Gemological Trust
Natural Crystal Inclusions
Microscopic internal growth lines and mineral veiling confirm raw geological formation — zero synthetic glass, resin polymers, or chemical dyes.
- Internal Matrix: Zoned Crystal Veils
- Pigment Analysis: Unaltered Natural Color
- Thermal Conduct: Instant Cool Touch
Infrared & Density Testing
Spectroscopy index mapping refractive light index 1.54 & specific gravity 2.65 g/cm³ matching authentic pure Rose Quartz & Amethyst.
- Refractive Index: 1.544 - 1.553 n
- Specific Gravity: 2.65 g/cm³
- Mohs Hardness: 7.0 Scale
EU RoHS & EN71 Non-Toxicity
ATL Testing accreditation report certifying zero heavy metal leaching (Lead/Cadmium free), ensuring 100% biocompatibility for facial application.
- Lead / Cadmium: < 0.001% (PASS)
- EN 71-3 Safety: Compliant
- Skin Contact: Hypoallergenic
| Parameter | Lab Reading | Benchmark Standard | Result |
|---|---|---|---|
| Silicon Dioxide (SiO₂) Purity | 99.84% | ≥ 99.50% | ✓ PASSED |
| Refractive Index (n) | 1.544 - 1.553 | 1.540 - 1.555 | ✓ PASSED |
| Density / Specific Gravity | 2.651 g/cm³ | 2.650 ± 0.005 g/cm³ | ✓ PASSED |
| Thermal Conductivity Index | 1.4 W/(m·K) | High Cold-Retain | ✓ PASSED |
| Heavy Metal Element | Detected Concentration | EN 71-3 Threshold Limit | Status |
|---|---|---|---|
| Lead (Pb) | < 0.0005% (ND) | 0.010% | ✓ PASSED |
| Cadmium (Cd) | < 0.0001% (ND) | 0.005% | ✓ PASSED |
| Mercury (Hg) | Non-Detectable | 0.005% | ✓ PASSED |
| Hexavalent Chromium (Cr VI) | Non-Detectable | 0.001% | ✓ PASSED |
| Certification Standard | Scope | Verification Code | Compliance |
|---|---|---|---|
| GB/T 16552-2017 | Gemstone Nomenclature & Identification | G-QUAL-2021-994 | ✓ VERIFIED |
| GB/T 16553-2017 | Gemological Testing Methods | G-TEST-2021-104 | ✓ VERIFIED |
| EU Directive 2011/65/EU | Restriction of Hazardous Substances | RoHS-ATL-88392 | ✓ VERIFIED |
7-Day Accidental Breakage Guarantee
Natural gemstones are delicate. If you accidentally drop or break your Gua Sha or Facial Roller within 7 days of SPX Express delivery, we will replace your stone 100% free of charge (one-time replacement per order).
- No Hassle Replacement: Simple claim form with instant ticket reference generation.
- SPX Priority Shipping: Dispatch processed within 24-48 hours direct to your PH address.
- SMS Status Updates: Instant PH mobile notifications on your replacement order.