# Gemini Birthstone Pendant 30mm - Black Onyx Zodiac Donut Necklace

**Gemini Birthstone Pendant 30mm – Black Onyx Zodiac Donut Necklace With Charm – Curious, Expressive & Adaptable**

A bold black onyx birthstone pendant aligned with Gemini’s energetic and intellectual nature. This donut shaped black onyx crystal pendant brings grounding and mental focus to balance Gemini’s ever shifting curiosity and vibrant communication style. Designed for everyday wear or as a thoughtful gift, this necklace is a meaningful talisman for those born under the Gemini star sign.

**Product Details:**

-   **Crystal Type, Colour & Design:** Black Onyx – Gemini birthstone pendant; deep jet black, smooth and polished, symbolising focus, protection, and mental clarity

-   **Approx Size: 30mm donut shape**

-   **Cord: Adjustable waxed cotton thong (necklace length approx. 17–30")**

-   **Zodiac Sign: Gemini (May 21 – June 20)**

-   **Element Type: Air**

-   **Charm: Silver-tone Gemini zodiac charm included**

-   **Material: Natural black onyx crystal, alloy charm, waxed cotton**

-   **Packaging: Supplied individually (no two stones are identical)**

-   **Origin: Ethically sourced components, assembled in the UK**

## Details

- **Price:** 9.98 GBP
- **Vendor:** Sacred Essence
- **Tags:** Jewellery | Healing Charms & Bracelets | Mala Prayer Beads, £0-£12

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 9.98 GBP | In stock |

## Images

- 1749580912-68639100 - Sacred Essence
- 1749580914-19374700 - Sacred Essence

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> Source: [Sacred Essence](https://www.sacredessence.co.uk/products/sacred-essence-gemini-birthstone-pendant-30mm-black-onyx-zodiac-donut-necklace-with-charm)
> Updated: 2026-06-30