2024 calendars

2023 calendars

2022 calendars

October Birthstone: Opal

Opal is the October birthstone, representing hope, purity, and good luck.

Opal is a hydrated amorphous form of silica that is prized for its unique play of color and iridescence. It is the traditional October birthstone and is also associated with the zodiac sign of Libra. The name “opal” comes from the Sanskrit word “upala,” which means “precious stone.”

October birthstone

Key Features of Opals Gemstone, the October Birthstone

Twelve key features of the opal gemstone:

Opal Gemstone History

Opals have been used for thousands of years as symbols of hope, purity, and good luck. They were especially popular in ancient Greece and Rome, where they were used to decorate clothing, jewelry, and other personal items.

Opal Gemstone Origin

The October birthstone is found in many parts of the world, including Australia, Mexico, and Ethiopia. Some of the largest and most famous opal mines are located in Australia, where the gemstones are often found in large, clear crystals.

Opal Gemstone Color

Opals are best known for their unique play of color, which is caused by the diffraction of light as it passes through the microscopic spheres of silica in the opal. The play of color can range from a soft and subtle rainbow to a bold and striking display of color.

Opal Chemical Composition

The October birthstone is a form of hydrated silica and have the chemical formula SiO2·nH2O. It is made up of silicon dioxide and water, which combine to form a soft and porous mineral.

Opal Gemstone Hardness

Opals have a Mohs hardness of 5.5 to 6.5, which makes them relatively soft and susceptible to damage. They should be handled with care and stored separately from other gemstones to avoid damage.

Opal Gemstone Uses

Opals have been used for centuries as gemstones and as symbols of hope, purity, and good luck. They have also been used in jewelry, especially as birthstones and as gifts for anniversaries.

Opal Gemstone Healing Properties

Many people believe that opals have healing properties and can be used to improve physical and emotional health. For example, some people believe that opals can help to reduce stress, improve communication, and promote a sense of calm.

Opal Gemstone Mystical Properties

Throughout history, opals have been associated with a variety of mystical properties, including protection, clarity, and wisdom. Some people believe that opals can help to enhance intuition, increase spiritual awareness, and promote a sense of inner peace.

Opal Gemstone Birthstone Meaning

As the birthstone for October, opals are associated with the qualities of hope, purity, and good luck. They are believed to help their wearers overcome challenges and find success in their personal and professional lives.

Opal Gemstone Popularity

The October birthstone is a popular gemstone, although not as well-known as some of the other birthstones. They are widely available in a variety of shapes, sizes, and colors, but are often considered a luxury item due to their rarity and unique play of color.

Opal Gemstone Care and Cleaning

Opals are relatively soft and porous, and should be stored in a dry place to avoid damage. They should be cleaned with warm soapy water and a soft cloth.

Synthetic Opals

Synthetic opals, which are made in a laboratory, are becoming increasingly popular. They are often cheaper and more uniform in color and clarity than natural opals, but they do not have the same historical and cultural significance as natural opals.


Opal is a beautiful, unique, and rare gemstone that has been prized for its unique play of color and iridescence for thousands of years. As the birthstone for October, it is associated with the qualities of hope, purity, and good luck, and is believed to bring good fortune and success to its wearer. With its stunning play of color and mystical properties, opal is a timeless and versatile gemstone that is perfect for anyone looking for a unique and meaningful piece of jewelry. Whether you are looking for a gift for a loved one, or a statement piece that will stand out, opals are a great choice that are sure to be treasured for generations to come.

October birthstone

Can Be Useful to Use a Calendar Printable for to Remember the Birthstones?

Using a printable monthly calendar that includes birthstones can be a practical and fun way to keep track of birthstones and incorporate them into your life in various ways:

  1. Birthday Reminders: The calendar can serve as a reminder of upcoming birthdays, allowing you to plan ahead and perhaps purchase a gift related to the recipient’s birthstone. It can be especially helpful if you have friends and family members with birthdays in different months.
  2. Birthstone Collection: If you’re a collector of birthstones or interested in gemstones, the printable calendar can help you keep track of which birthstones you already have and which ones you still need to acquire. You can use the calendar to track your progress and set goals for your collection.
  3. Decorative Piece: The calendar can also serve as a decorative piece, adding color and personalization to your workspace or home. You can hang it on a wall or use it as a page in your planner or journal.
  4. Gift Ideas: The calendar can provide inspiration for gift ideas for friends and loved ones. By knowing their birthstone, you can select a unique and meaningful piece of jewelry or other item featuring that gemstone.

Overall, using a printable monthly calendar with birthstones can be a useful and enjoyable way to stay organized, keep track of your birthstone collection, and incorporate these beautiful gems into your life.

Table With the 12 Birthstones of the Year

Table with the 12 months of the year and their corresponding twelve birthstones:


About birthstones we have twelve interesting articles that correspond to the twelve months of the year that we invite you to discover: What is the birthstone for January?, What is the birthstone for February?, What is the birthstone for March?, What is the birthstone for April?, What is the birthstone for May?, What is the birthstone for June?, What is the birthstone for July?, What is the birthstone for August?, What is the birthstone for September?, What is the birthstone for October?, What is the birthstone for November?, What is the birthstone for December?. We also have an introduction to the 12 birthstones titled: Birthstones, Discovering the Magic of Monthly Gemstones.

Related Categories: Birthstones

More printable calendar templates

How to print this calendar

After clicking the “Download” button, save the archived PDF file on your computer. Once it’s completed downloading, unpack the archived PDF and open it in your favorite PDF viewer program/application. From there on, you can probably find the “Print” option listed under the “File” menu.

2024 calendars