October has two birthstones: Opal and pink tourmaline. Opal is known for its shimmering rainbow play of color and symbolizes creativity and hope. Tourmaline comes in many colors, but pink is the official one for October. It’s often associated with love, compassion, and emotional balance.
The October birthstone is unique because it includes two birthstone gems: opal and tourmaline. Both stones are known for their incredible range of color, making October one of the most vibrant birthstone months of the year.
Whether you love the glowing iridescence of opal or the rich tones of tourmaline, October birthstone jewelry offers meaningful symbolism and versatile style for everyday wear or special occasions. Let’s explore the background, care tips, and styling ideas for both stones.
The two October birthstones are opal and tourmaline. Opal is prized for its shifting rainbow colors and luminous glow, while tourmaline is popular for its wide color range, especially pink and green varieties. Both stones carry symbolic meanings tied to love, creativity, and emotional expression.
Originally, opal was the traditional October birthstone, but tourmaline was added to the roster in 1952 by the Jewelers of America, offering a more durable and versatile option. While opal is more delicate and best suited for occasional wear, tourmaline’s strength makes it a practical choice for frequently worn October birthstone jewelry.
| Opal | Tourmaline | |
| Stone Type | Mineraloid (hydrated silica) | Silicate mineral |
| Common Color | Milky white with rainbow flashes | Pink, green, blue, multicolor |
| Hardness | 5 to 6.5 on Mohs scale | 7 to 7.5 on Mohs scale |
| Key Meaning | Creativity, hope, passion | Love, balance, compassion |
| Care | Very delicate, avoid heat and impact | Moderately durable, avoid harsh chemicals |
October has two birthstones because jewelers wanted to offer a more durable and widely available alternative to opal. While opal’s beauty is unmatched, its delicate nature makes it less practical for everyday wear.
Tourmaline was added as a modern October birthstone thanks to its strength and broad range of colors. Today, both gems are equally accepted, giving October birthdays more choice in style and symbolism. These stones are perfect additions to gold jewelry essentials, from everyday rings to statement necklaces.
Opal, the original October birthstone, is known for its unique myriad of rainbow colors and milky shine. This kaleidoscope effect, called play of color, occurs when light diffracts through tiny, regularly arranged silica spheres inside the stone.
The opal birthstone forms when silica-rich water seeps into cracks in rock and slowly hardens over time. Opal uniquely contains water within its structure, which contributes to both its beautiful appearance and its delicate nature.
If you need help finding the right stone, check out our guide to buying gemstones.
Each October birthstone has a special meaning, and opals are no different. Ancient cultures associated opals with the following symbolic meanings:
Additionally, the ancient Greeks also claimed the stone granted its owners the gift of prophecy. Over time, opal has been linked to healing, emotional expression, and imagination.
Opal’s name traces back to the Sanskrit word upala, meaning precious stone, which later became the Latin opalus. Myths about opal appear across cultures, including Arabic legends that describe it as a stone born from lightning.
While folklore once suggested opals were unlucky for those not born in October, today this gem is widely admired. Most opals are mined in Australia, though there are also deposits in other parts of the world. Understanding gemstones and their meanings offers a deeper appreciation of where they come from and what they can stand for.
While the October birthstone opal is famous for its soft, milky shimmer and flashes of rainbow color, opals offer a range of unique appearances, including:
This natural variety makes opal one of the most visually unique birthstones. Whether set in yellow, white, or rose gold, each opal displays its own one-of-a-kind pattern and color play.
Opal is one of the more delicate birthstones and requires gentle handling. Here are a few tips to keep them safe:
This gemstone is as delicate as it is beautiful, so care will go a long way in preserving your jewelry.
With its gorgeous hues and beautiful meaning, it is no surprise that October’s birthstone creates breathtaking jewelry. Here are some of the most popular ways to wear opal jewelry:
Opal birthstone ring: This petite single opal ring is as timeless as it is trendy. A luminescent opal is set on a yellow gold band, creating a ring that looks spectacular on its own, shines bright when stacked with others, and pairs easily with your other fine jewelry.
Tourmaline is the modern October birthstone, celebrated for its durability and remarkable range of colors. Stronger than many traditional gems, it’s well-suited for everyday jewelry while still offering standout beauty.
From soft blush pinks to deep forest greens and vivid electric blues, tourmaline truly offers a shade for every style. This natural variety gives each cut a distinct personality, making tourmaline jewelry feel especially one-of-a-kind.
Tourmaline has long been associated with love, compassion, and emotional balance. Ancient cultures believed the stone could inspire creativity and calm the mind, making it a meaningful gem for personal expression.
The name tourmaline comes from the Sinhalese word turmali, meaning “mixed stone,” a reference to its extraordinary color variety. Legends Tourmaline’s folklore also claims that it collected every color of the rainbow during its journey from the Earth’s center to the surface.
Like opal, tourmaline comes in a rainbow of colors, with some tourmaline gemstones exhibiting multiple hues. However, the official color for October is the pink tourmaline birthstone. Popular varieties include:
Tourmaline’s wide color range makes it one of the most versatile stones in fine jewelry, perfect for both classic and modern designs.
Tourmaline is a durable gemstone, but like all fine jewelry, it benefits from mindful care to maintain its color and brilliance. With proper handling, your October birthstone pieces can stay vibrant for years. Here are a few tips:
Following these simple steps will help preserve your tourmaline’s natural beauty and help it remain a treasured piece in your collection.
Tourmaline is an eye-catching birthstone and adds excitement to any basic outfit. Here are some of the best ways to wear tourmaline:
Both October birthstones are great gifts for birthdays, anniversaries, or celebrating a new chapter. Consider opal hoop earrings to celebrate career milestones or creative achievements, opening the door for new starts and continued success.
Another thoughtful choice is a 14k yellow gold opal pendant necklace, a classic piece that highlights the beauty of opal for everyday wear or special occasions. Whether you’re celebrating a milestone birthday, Mother’s Day, or a professional promotion, October birthstone necklaces add elegance to any outfit while sitting close to the heart.
Choosing the right October birthstone jewelry depends on your lifestyle and personal style. Keep these tips in mind:
Following these tips can help you select the October birthstone piece that’s both beautiful and practical as a gift for a friend –– or (ahem) –– for yourself.
With multiple stone options, there’s no shortage of unique and classic jewelry choices for showing off an October birthstone. Opal delivers soft, magical color flashes, while tourmaline provides vibrant shades and lasting durability — giving you that ‘ethereal-meets-electric’ vibe no one else can replicate.
Whether you’re adding to your stackable ring collection or shopping for someone special, October birthstone jewelry is a meaningful way to celebrate individuality and creativity.
Ready to find the perfect piece? Discover opal earrings, pink tourmaline pendants, and more in our curated October birthstone collection.
October has two official birthstones: opal and tourmaline. Opal is the traditional stone, while tourmaline was added as a modern alternative.
The gem price depends on the quality and variety. Rare tourmalines like indicolite or watermelon can be more expensive, while common opals may be more affordable than high-end tourmalines.
Both stones range from common to rare, depending on type. White opal and pink tourmaline are widely available, while black opal and rare tourmaline colors are much harder to find.
