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Light blue turquoise reminiscent of a bright, clear blue sky
Tanzanite, a rare stone mined only in Tanzania
Zircon shines with a brilliance comparable to that of diamonds



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Gemstone Name | Turquoise | Tanzanite | Zircon |
---|---|---|---|
Mineral Name | turquoise | Zoisite | Zircon |
Japanese name | turquoise | Copperite, sclerite | Weathersign stone |
Origin of the name | Derived from the French "Turkish Stone" (Pierre Turques) | Discovered in Tanzania and named by Tiffany | The name comes from the Arabic word "zarkun" (red) or the Persian words "zar" (gold) and "gun" (color). |
color | Opaque green to blue | Blue to purple | Brown, yellow, orange, red, blue, etc. |
Mohs hardness | 5 to 6 | 6-7 | 6–7.5 |
Origin | Iran, the United States, China, etc. | Tanzania | Cambodia, Australia, Sri Lanka, etc. |
Stone meaning | Good luck, success, prosperity | noble, calm, mysterious | Peace and success |
effect | Mental and physical health Stress reduction | Mental stability Harmony with the surroundings | Remove sadness Peaceful relationships |
Care | Wash gently with warm water and a mild detergent using a soft brush | Wash gently with warm water and a mild detergent using a soft brush | Wash gently with warm water and a mild detergent using a soft brush |
others | Its official name is blue zoisite. It was once considered a substitute for sapphire. | Symbolism of the "Stone of Peace" |
December has three birthstones.
The first one is turquoise.Famous as a power stoneIt is a familiar gemstone that is often used in accessories.
The second is the mythical gemstone Tanzanite. It was once mistaken for sapphire, but it has a purple to blue hue.pleochroismTanzanite with this is very beautiful.
Lastly, zircon. It joined the ranks as the December birthstone in 2021. It comes in many colors,Brilliance comparable to that of a diamondThis is the charm of zircon.
We will introduce the birthstones for December, so please use this as a reference.
▼Click here to learn more about other birthstones
1.Turquoise
Characteristics of Turquoise

The term turquoise blue is familiar to many, but it actually ranges in color from blue-green to sky blue, and depending on the place of origin, it can also have a black mesh-like pattern.
Its Japanese name is "Turquoise," but many people believe it is mined in Turkey. In fact, its main sources are Iran, America, and China, and it is not mined in Turkey. It was apparently given this name because it was brought to Europe by Turkish merchants long ago.
Turquoise is the birthstone for December and is also designated as the zodiac stone for Virgo.
The origin of turquoise
The effects of turquoise
Amulets to protect you from disasterTurquoise has long been popular as a stone that brings mental stability and is also said to improve communication.
This gemstone is perfect for those who suffer from fatigue and stress, or who want to improve their relationships.
Caring for Turquoise
After use, wipe with a soft cloth and store. To clean, fill a cup with lukewarm water and add a small amount of mild detergent (dishwashing detergent). Then, dip a soft brush (such as a toothbrush with soft bristles) in the detergent and gently scrub the surface.If you scrub the turquoise, it may get scratched or the nails holding it in place may come loose, so it's important to wash it with a tapping motion. After washing, rinse the turquoise with lukewarm water.
Turquoise should not be cleaned in ultrasonic cleaners or steam cleaners.
Hojudo also stocks turquoise jewelry. Be sure to check out their website.
▼Turquoise jewelry here
2.Tanzanite
Tanzanite characteristics

Tanzanite is only mined in limited areas,High rarityMining volumes are expected to decrease in the future.
Another attractive feature of tanzanite is its pleochroism, which allows it to appear blue in sunlight and purple under a candle, allowing you to enjoy the changing colors.
Among them, tanzanite, which is a deeper blue than purple and has strong pleochroism, is traded at a high price.
Origin of Tanzanite
The effects of Tanzanite
Suppressing emotional excitement,Helping you make calm decisionsTanzanite is also said to give you creativity and imagination.
This gemstone is perfect for people who get emotional easily or who work in creative fields.
Caring for Your Tanzanite
Therefore, when storing your jewelry, make sure to store it separately and not with other jewelry.
After use, wipe with a soft cloth and store. To clean, fill a cup with lukewarm water and add a small amount of mild detergent (dishwashing liquid). Then, dip a soft brush (a toothbrush with soft bristles) in the detergent and gently scrub the tanzanite. Scrubbing can scratch the tanzanite or cause the prongs holding it in place to come loose, so it's important to scrub gently. Once you've finished scrubbing, rinse the tanzanite with lukewarm water. We do not recommend using ultrasonic cleaners or steam cleaners.
Hojudo also has a wide selection of tanzanite jewelry. Be sure to check out their website.
▼Tanzanite jewelry is here
3.Zircon
Zircon characteristics

Zircon is considered to be the oldest mineral on Earth.The oldest is 4.4 billion years oldOr something like that.
The most attractive feature of zircon is its high refractive index, fire, and rich color. Its Japanese name is "Hiyashinsu stone," which evokes the image of a hyacinth flower with many colors. Blue and red zircons are highly valued for their high transparency and vivid color.
Origin of Zircon
The effects of zircon
Zircon is a symbol of the "stone of peace." It gives peace to the owner,It calms the mindIt has the effect of removing sadness and creating peaceful relationships. It is a recommended gemstone for those who have strong emotional ups and downs and those who wish to grow spiritually.
Caring for Your Zircon
Hojudo also has a wide selection of zircon jewelry.Be sure to check out Hojudo's website as well.
▼Click here for zircon jewelry