7月の誕生石(ルビー&スフェーン)

July Birthstone (Ruby & Sphere)


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Ruby, the representative red stone and one of the five major gemstones
Sphene has an attractive brilliance comparable to that of a diamond

ルビースフェーン
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Gemstone Name Ruby Sphene
Mineral Name corundum Titanite
Japanese name Kogyoku Titanite, wedgestone
Origin of the name It comes from the Latin word "rubeus," which means red. The name comes from the Greek word "Sphenos" (wedge) because the crystal resembles a wedge.
color red Green to yellow-green to brown
Mohs hardness 9 5.0-5.5
Origin Myanmar, Thailand, Sri Lanka, Madagascar, etc. Pakistan, Madagascar, Russia, etc.
Stone meaning Passion, compassion, dignity eternal and unchanging
effect Protects you from danger and disasters and leads you to victory Peace of mind, opening up your life and leading to success
Care Add mild detergent to lukewarm water and clean with a brush / ultrasonic cleaning Wash gently with warm water and a mild detergent using a soft brush
others Unheated pigeon blood from Myanmar (Burma) is traded at a high price. Corundum other than red is considered sapphire. It is characterized by a sparkle caused by strong fire. Those that are green rather than brown and have a strong sparkle are considered to be of high quality.

The birthstone for July is the passionate red ruby.60th birthday celebrationIt is also popular as the zodiac stone for Aries and Leo, and is designated as the ruby ​​wedding stone for 40 wedding anniversaries.
The other is sphene, which was newly designated at the end of 2021. It has a yellow, yellow-green, or brown color with glitter trapped inside.Sparkling sparkleIt is attractive and has been gaining popularity in recent years.
This time, we will introduce the birthstones for July.

▼Click here to learn more about other birthstones

1.Ruby

Ruby characteristics

ルビーRuby is the quintessential red gemstone, and its Japanese name is "kogyoku." Its mineral name is corundum, and it has a Mohs hardness of 9, making it a perfect gemstone for jewelry.
Sapphires are also made from the mineral corundumHowever, only the red ones are called "ruby." Usually, they are heat-treated to bring out their beautiful color, but there are also beautiful rubies that do not require heat treatment.No heatThe ones with a vivid, deep red color and a lustrous appearance are sold on the market asPigeon Bloodand is traded at a high price.
The main producing areas are Myanmar (Burma), Thailand, Sri Lanka, etc. Among them, Burmese rubies are characterized by their deep red color, similar to pigeon's blood.


The origin of ruby

The name ruby ​​comes from the Latin word "rubeus," which means red.
In the past, red gemstones were called rubies, and it is well known that the Black Prince's Ruby, the crown jewel of the British Empire, was actually a spinel. There have also been other instances where what was thought to be a ruby ​​was actually a garnet, and it has a history of being mistaken for various other gemstones.


The effect of ruby

The stone's word is "Passion, compassion, dignity".
Speaking of ruby,passionIt is famous as a gemstone that represents "red." Its red color is like a burning passion from within the heart. It attracts people with its passion.
Ruby has long been prized as a talisman that attracts victory, and it is said that powerful people in the past wore it as a gemstone that brings power and wealth. It is recommended for those who wish for success in love, those who are working towards their goals, and those who want to spend their time passionately.


Caring for your Ruby

Ruby is known as one of the hardest gemstones, with a Mohs hardness of 9. Don't worry about it, use it as much as you like. However, it is softer than diamonds, so try to avoid storing it with other jewelry as much as possible.
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 tap the stone to clean. If you scrub, the prongs holding the stone in place may come loose, so it's important to tap the stone. When you're done cleaning, rinse with lukewarm water.
We also recommend using an ultrasonic cleaner to remove any fine dirt.


Hojudo also has a wide selection of ruby ​​jewelry. Be sure to check out their website.
▼Ruby jewelry here



Hojudo is a jewelry shop located in Shinsaibashi, Osaka.
We have approximately 1,500 pieces of jewelry on display, including diamonds, pearls, and colored stones, which you can touch and look at. As a jewelry specialty store with origins as a wholesaler, we offer reasonable prices, less than half the market price. We do not pressure you to buy anything, so please feel free to come and visit us.
Of course, you can also purchase it online, so don't worry.

Free consultation and estimate
Make a reservation >
First, ask by email
Contact Us >




2.Sphene

Characteristics of sphene

スフェーンIt was not widely known at first, but it has become popular since being designated as the birthstone for July in 2021. The secret to its popularity is, without a doubt, its iridescent sparkle (fire). As a gemstone, it ranges in color from green to brown, but it sparkles as brightly as a diamond, and once you see it, it will be etched into your memory.
Stones that are green rather than brown, highly transparent, and have a strong sparkle are considered to be of high quality.
The mineral's name is titanite. Its Japanese name is also called titanite. It is also sometimes called wedge stone because its crystals resemble wedges.
Sphene itself is mined all over the world, but high-quality sphene for jewelry use is only found in a few limited areas, such as Pakistan, Madagascar, and Russia.


Origin of sphene

The crystals resemble a wedge, hence the name "Sphenos", which means "wedge" in Greek.
*Wedge = a sharp V-shaped piece of wood or iron


The effects of sphene

The stone's word is "eternal and unchanging".
Sphene has the meaning of being able to move forward positively without losing your individuality. It will help you to open up your life and lead you to success.
This is the perfect gemstone for those who want to live strong and true to themselves.


Caring for your sphene

Although sphene has a rainbow-colored sparkle like a diamond, it is a very soft gemstone with a Mohs hardness of 5 to 5.5. It will break if it comes into contact with other gemstones, so be sure to store it separately.
To clean, fill a cup with lukewarm water and add a small amount of mild detergent (dishwashing liquid). Then, dip a soft brush (such as a toothbrush with soft bristles) in the detergent and gently tap the stone to clean it. If you scrub, the prongs holding the stone in place may come loose, so it's important to tap the stone. Once you've finished washing, rinse the sphene with lukewarm water.


Hojudo also has a wide selection of sphene jewelry. Please check out their website.
▼Click here for sphene jewelry



Hojudo is a jewelry shop located in Shinsaibashi, Osaka.
We have approximately 1,500 pieces of jewelry on display, including diamonds, pearls, and colored stones, which you can touch and look at. As a jewelry specialty store with origins as a wholesaler, we offer reasonable prices, less than half the market price. We do not pressure you to buy anything, so please feel free to come and visit us.
Of course, you can also purchase it online, so don't worry.

Free consultation and estimate
Make a reservation >
First, ask by email
Contact Us >