Archive for the ‘Fact Files’ Category

Turquoise

03
Mar

The word Turquoise is synonymous with Blue, such is the importance of this much prized stone that has been known to humanity for thousands of years. Learn more about this highly sought after mineral that has adorned Egyptian pharaohs and Indian chiefs alike. Composition: CuAl6(PO4)4(OH)8·4H2O , hydrated copper aluminum hydroxy phosphate Hardness: 5-6 (Though chalky turquoise may be as low as 2) Occurrence: ...

Rose Quartz

25
Jan

Presenting the love stone, Rose Quartz, sadly often criticized and overlooked simply because it is common, yet ironically offering something we could all use a little bit more of. Read on to learn more about this heart healer and why embracing her could teach us to view the world through rose-coloured glasses… Chemical Composition: SiO2, Silicon Dioxide Hardness: 7 Occurence: Madagascar, India, ...

Mookaite

05
Jan

Introducing Mookaite, a quartz mineral from Western Australia, which actually owes its existence to billions of long-gone life forms. This is a fascinating mineral, attributed with grounding and promoting open-mindedness and intuitiveness. Chemical Composition: SiO2 Hardness: 6 - 7 Occurence: Australia About the Mineral: This lovely, warm, opaque stone is characterized by random patches and bands of vibrant colour, varying between white, grey, mustard, yellow, orange, ...

Ammonite

01
Dec

Between 65 million and 250 million years ago, the ammonites ruled the seas. These mollusks, which belonged to the class of cephalopods, were very abundant the world over, until they took their leave and slipped into extinction at the end of the Cretaceous period along with the dinosaurs. During their reign, however, they showed an amazing ability to adapt and evolve to ...

Chrysoprase

25
Oct

The bright, vivid green of Chrysophrase is almost too much to believe, but it’s real and natural, forming in ribbons of apple-green not far below the surface of the Earth. Read about how eons of rainfall helped Chrysophrase to form, and why it is known as a stone of the heart. Chemical Composition: SiO2 Hardness: ...

Eudialyte

29
Sep

Eudyalite is a strikingly beautiful mineral of vivid reds and crimsons, born from the unlikely meeting of rare elements in rare circumstances. Read about this rare beauty and how it helps us to live our lives in the direction of our dreams. Chemical Composition: Na15Ca6(Fe,Mn)3Zr3SiO(O,OH,H2O)3(Si3O9)2(Si9O27)2(OH,Cl)2, but highly variable. Hardness: 5 – 5.5 Occurrence: Russia, Norway, Madagascar, USA, Canada Eudyalite is a relatively rare silicate mineral, which ...

Larimar

31
Aug

Chemistry: NaCa2Si3O8(OH), Sodium Calcium Silicate Hydroxide Class: Silicates Hardness: 5, with darker blue stones reaching 7 Origin: The Dominican Republic The beautiful blue stone Larimar is a form of Pectolite discovered only in The Dominican Republic in the Caribbean. Its know range is limited to 1 square kilometre of remote, mountainous terrain, making Larimar a truly rare stone. About the Mineral Larimar came to be through the movement ...

Rutile Quartz

30
Aug

Beautiful Rutilated (or Rutile) Quartz enthralls us with its intriguing needle and hair-like inclusions in quartz. Learn more about this high energy “illuminator of the soul”, which sharpens our intuition and lightens our load… Chemical Composition: SiO2 (Silicon dioxide) with inclusions of TiO2 (titanium dioxide) Hardness: 7 (Quartz) and 6 to 6.5 (Titanium dioxide) Other Names: Cupid’s Darts, Venus Hair Stone, Fleches D’Amour Occurrence: Brazil, Madagascar, Australia, Kazakhstan, ...

Rainbow Moonstone

30
Aug

Introducing Rainbow Moonstone, the cool gem with an inner glow. Read on to learn how the mineral forms, how its light display is caused, and why it is known for engendering inner peace and harmony. Chemistry: (Ca,Na)(Al,Si)4O from the plagioclase feldspar group. Hardness: Ranges from 6 to 6.5 Crystal System: Triclinic, usually forming as blocks and chunks embedded in igneous rock Occurrence: India Other Names: White Labradorite Setting The Facts Straight

Nephrite Jade

30
Aug

Simply mentioning the word Jade conjures up images of Chinese imperial palaces and objects of great beauty and immeasurable value. Indeed, Jade has played an immensely important role in culture from ancient times, both in China and beyond. Read on to learn about this sacred and protective Stone of Heaven that witnessed the birth of civilization, and adorned the palaces of emperors. Chemical Name: Ca2(Mg, ...

The Crystal Fact Files
The Crystal Fact Files

Learn fascinating facts about crystals & gemstones.

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Testimonials

"Buying from Blue Turtles is always a pleasure - opening all those drawers at the Gift Fair to see the hidden treasures inside – because you know you’ll only see the good stuff. Each stone is chosen aesthetically, set with heavy silver and finished beautifully... you don’t get bumpy edges, join marks that haven’t been polished out, left over tarnished sections or stones hanging out the back of a setting. The attention to detail is obvious from the moment you look at any piece. It’s well priced, especially for the quality of the stones and the amount of silver used. You get prompt and efficient service, always with a smile!"

Rebecca De Carlo, That Crystal Site, Mullumbimby, NSW