ArtsAutosBooksBusinessEducationEntertainmentFamilyFashionFoodGamesGenderHealthHolidaysHomeHubPagesPersonal FinancePetsPoliticsReligionSportsTechnologyTravel

Peridot: August Birthstone

Updated on February 13, 2011

Peridot is a beautiful, yet somewhat underrated gemstone

Up until just a few years ago Peridots were a little hard to get. Known sources were somewhat depleted.

However recent finds in of find gem grade Peridot in Pakistan and Afghanistan have revived the popularity of this gem.

Today fine gems of up to 5 carats can be purchased for a reasonable price.

Peridot is an old gem with a long history.

Peridot gems have been mined for at least 4000 years

Peridot used to be call Topazion because it was discovered on the Island of Topazios in the Red Sea. Today that island is known as Zebiret or the Isle of St. John.

In the eighteen century the mineral Topaz was officially given it’s name and the gem form of Olivine was given the name Peridot.

Peridot is the official birthstone for the month of August as adopted by the American National Association of Jewelers in 1912.

How do you pronounce the word Peridot?

How do you pronounce the word Peridot? Peridot has got to be the most mispronounced name of all common gemstones.

So is it pronounce










The correct pronunciation is actually per'i-dot however some dictionaries list the correct pronunciation as pear-a-doe.


Facts, myths and legends

According to legends you will be protected from evil if you wear peridot.

With their rich green color and a hint of yellow Peridot has often been mistaken for Emeralds.

Some of Cleopatra's famous Emeralds were actually Peridot.

Peridot has been mined for more then 3500 years. The oldest known mine is St. John's Island, Egypt in the Red Sea.

Today most Peridot comes from China, Brazil, Kenya, Norway and new mines in Afghanistan and Pakistan.

Physical Properties of Peridot

Peridot Chemical composition: (MgFe)2SiO4

Class: nesosilicate

Crystal system: orthorhombic; 2/m2/m2/m

Crystal habit: commonly as compact or granular masses, also as loose or embedded grains, sometimes in volcanic nodules. Crystals are rare, usually as vertically striated prisms.

Twinning: twinning is uncommon, simple twinning can occur on {100}, {011}, and {012}. Cyclic twinning on {031} reportedly produces trillings.

Specific gravity: 3.22 - 3.45, increases with iron content

Index of refraction: 1.65 - 1.69, increases with iron content

Birefringence: strong, (0.035 - 0.038)

Pleochroism: weak; pale yellow-green to yellow/pale yellow-green to yellow/yellow to yellow orange

Hardness: 6.5 to 7, hardness increases with magnesium content

Color: olive green, green, yellow, brown

Luster: vitreous to oily

Transparency: transparent to translucent

Cleavage: poor on {010} and {110}, {010} cleavage improves with increasing iron content

Fracture: conchoidal

Streak: colorless

Dark Green Peridot round gem
Dark Green Peridot round gem

Peridot The Birthstone for August

Peridot is the gemstone for the 16th wedding anniversary

Other birthstone for the month of August are

Alexandrite, Carnelian, Diamond, Sapphire, Sardonyx and Ruby.

The Zodiac signs of Leo and Virgo both fall in the month of August.

Leo Jul. 23-Aug. 23 and Virgo Aug. 24-Sep.22

Stone associated with Leo and Virgo are Citrine, Jade, Jasper, Onyx, Tourmaline, and Zircon

With 50 + lenses on Squidoo

Please let us know what you think. - Please sign our Guestbook, thank you

    0 of 8192 characters used
    Post Comment

    • profile image


      6 years ago

      Pear a doe is the french pronunciation. Probably spoken longer than the american version

    • profile image


      7 years ago

      I absolutely love the colour of these stones! I can see why you do what you do. All the gemstones are gorgeous!

    • profile image


      7 years ago

      Beautiful stones, would love to have one to match my green eyes.

    • Richard-H profile image


      7 years ago from Surrey, United Kingdom

      Interesting to learn more about the Peridot!

    • Bellezza-Decor profile image


      10 years ago from Canada

      Nice - lensrolled into my Peridot lens!

    • sisterra profile image


      10 years ago

      cool lens!

    • DogWhisperWoman1 profile image


      11 years ago

      5 stars NO ?!!! Dog Whisper Woman

    • purplelady profile image


      11 years ago

      As a child I hated it that my birthstone was Peridot and not something like diamond, garnet or opal. Now that I have aged and have seen some beautiful jewelry with Peridot, I am proud to be an August birthday. These are great lenses on the different gems. Do you see stars?


    This website uses cookies

    As a user in the EEA, your approval is needed on a few things. To provide a better website experience, uses cookies (and other similar technologies) and may collect, process, and share personal data. Please choose which areas of our service you consent to our doing so.

    For more information on managing or withdrawing consents and how we handle data, visit our Privacy Policy at:

    Show Details
    HubPages Device IDThis is used to identify particular browsers or devices when the access the service, and is used for security reasons.
    LoginThis is necessary to sign in to the HubPages Service.
    Google RecaptchaThis is used to prevent bots and spam. (Privacy Policy)
    AkismetThis is used to detect comment spam. (Privacy Policy)
    HubPages Google AnalyticsThis is used to provide data on traffic to our website, all personally identifyable data is anonymized. (Privacy Policy)
    HubPages Traffic PixelThis is used to collect data on traffic to articles and other pages on our site. Unless you are signed in to a HubPages account, all personally identifiable information is anonymized.
    Amazon Web ServicesThis is a cloud services platform that we used to host our service. (Privacy Policy)
    CloudflareThis is a cloud CDN service that we use to efficiently deliver files required for our service to operate such as javascript, cascading style sheets, images, and videos. (Privacy Policy)
    Google Hosted LibrariesJavascript software libraries such as jQuery are loaded at endpoints on the or domains, for performance and efficiency reasons. (Privacy Policy)
    Google Custom SearchThis is feature allows you to search the site. (Privacy Policy)
    Google MapsSome articles have Google Maps embedded in them. (Privacy Policy)
    Google ChartsThis is used to display charts and graphs on articles and the author center. (Privacy Policy)
    Google AdSense Host APIThis service allows you to sign up for or associate a Google AdSense account with HubPages, so that you can earn money from ads on your articles. No data is shared unless you engage with this feature. (Privacy Policy)
    Google YouTubeSome articles have YouTube videos embedded in them. (Privacy Policy)
    VimeoSome articles have Vimeo videos embedded in them. (Privacy Policy)
    PaypalThis is used for a registered author who enrolls in the HubPages Earnings program and requests to be paid via PayPal. No data is shared with Paypal unless you engage with this feature. (Privacy Policy)
    Facebook LoginYou can use this to streamline signing up for, or signing in to your Hubpages account. No data is shared with Facebook unless you engage with this feature. (Privacy Policy)
    MavenThis supports the Maven widget and search functionality. (Privacy Policy)
    Google AdSenseThis is an ad network. (Privacy Policy)
    Google DoubleClickGoogle provides ad serving technology and runs an ad network. (Privacy Policy)
    Index ExchangeThis is an ad network. (Privacy Policy)
    SovrnThis is an ad network. (Privacy Policy)
    Facebook AdsThis is an ad network. (Privacy Policy)
    Amazon Unified Ad MarketplaceThis is an ad network. (Privacy Policy)
    AppNexusThis is an ad network. (Privacy Policy)
    OpenxThis is an ad network. (Privacy Policy)
    Rubicon ProjectThis is an ad network. (Privacy Policy)
    TripleLiftThis is an ad network. (Privacy Policy)
    Say MediaWe partner with Say Media to deliver ad campaigns on our sites. (Privacy Policy)
    Remarketing PixelsWe may use remarketing pixels from advertising networks such as Google AdWords, Bing Ads, and Facebook in order to advertise the HubPages Service to people that have visited our sites.
    Conversion Tracking PixelsWe may use conversion tracking pixels from advertising networks such as Google AdWords, Bing Ads, and Facebook in order to identify when an advertisement has successfully resulted in the desired action, such as signing up for the HubPages Service or publishing an article on the HubPages Service.
    Author Google AnalyticsThis is used to provide traffic data and reports to the authors of articles on the HubPages Service. (Privacy Policy)
    ComscoreComScore is a media measurement and analytics company providing marketing data and analytics to enterprises, media and advertising agencies, and publishers. Non-consent will result in ComScore only processing obfuscated personal data. (Privacy Policy)
    Amazon Tracking PixelSome articles display amazon products as part of the Amazon Affiliate program, this pixel provides traffic statistics for those products (Privacy Policy)