[Material: Soda glass][Size: Height: approx. 7.5cm, Diameter: approx. 6.5cm][Weight: approx. 260g][Capacity: approx. 200ml (when full)][Manufacturing method: Ryukyu glass product made using the glassblowing method][Country of origin: China (※Food safety inspections in Japan have been completed)]
[What is fluorite?... Fluorite absorbs light from sunlight and fluorescent light's ultraviolet rays! It emits the absorbed light in the dark!] [Let's make fluorite glow! ...Place it as close as possible to a fluorescent light or desk lamp and wait for about 10 minutes! Make the room completely dark and turn off the lights. Or take it to a completely dark room. The fluorite will glow beautifully.]
[Common occasions for using fluorite... birthday parties/Christmas/Valentine's Day/White Day/anniversaries/parties, etc. as a surprise with cake.][How to do the surprise... Pour juice into a glass that has been exposed to ultraviolet light beforehand, place it next to the cake, and turn off the light to complete the surprise! The glass with fluorite in it will become a topic of conversation and will be an item that will liven up the party even more.][To make the surprise a success... Try the experiment at the same time as the party! The darker the surroundings, the more beautifully it will glow.]
[Q&A... Q. I left it in the sun for several days, but it's not glowing at all! A. When it stops absorbing ultraviolet rays, the accumulated ultraviolet rays are released. Release begins at sunset, so the accumulated ultraviolet rays are reset the next day. If you leave it in the sun and then take it to a completely dark room, it will glow beautifully. *Please try this in a room with blackout curtains, etc.][Q. The product arrived, but it's not glowing. A. When you receive the product, it is inside a cardboard box, so ultraviolet rays have not accumulated. Please try placing it under a desk lamp for a few minutes and then in a dark place.][Q. It doesn't glow as beautifully as in the picture. A. The firefly stone was photographed in a completely dark environment with all windows covered by blackout curtains and all fluorescent lights turned off. If you create a similar environment, it will glow as beautifully as in the picture.]
About our glass products... All the glass products we carry are handcrafted one by one by skilled artisans. No two pieces are exactly alike in color or pattern; each has its own unique character. Please understand that this is one of the charms of handmade products. Please enjoy the handmade charm created by skilled glass artisans.
Precautions for use: This product is not made of heat-resistant or tempered glass. Please refrain from using it in dishwashers, with hot water, boiling water, or in microwave ovens. Glass products can break due to sudden temperature changes. Please be careful not to cool or heat it rapidly.
＞＞What is a firefly stone?＜＜
The fluorite absorbs light from sunlight and fluorescent light!
It emits light absorbed in the dark!
＞＞Let's make it glow with fluorite!＜＜
Place it as close as possible to a fluorescent light or desk lamp and wait for about 10 minutes.
Make the room completely dark and turn off the lights. Or take it to a completely dark room.
The fluorite glows beautifully.
＞＞Situations where fluorite is commonly used＜＜
Surprise your loved ones with a cake at birthday parties, Christmas parties, Valentine's Day parties, White Day parties, anniversaries, and other celebrations.
＞＞How to surprise＜＜
Pour juice into a glass that has been exposed to ultraviolet light beforehand, place it next to the cake, and turn off the lights to complete the surprise.
Glasses containing fluorite will become a conversation starter and will be an item that will liven up the party even more.
＞＞To make the surprise a success＜＜
Let's conduct the experiment at the same time as the party!
The darker the surroundings, the more beautifully it shines.
＞＞Q&A＜＜
Q. I left it in the sun for several days, but it's not glowing at all!
A. When the device stops absorbing ultraviolet rays, the accumulated ultraviolet rays are released.
Since UV radiation is released at sunset, the accumulated levels of ultraviolet rays are reset the following day.
If you expose it to sunlight and then take it to a completely dark room, it will glow beautifully.
*Please try this in a room with blackout curtains or similar.
Q. The product arrived, but it doesn't light up.
A. When delivered, the product is inside a cardboard box, so it has not been exposed to accumulated ultraviolet light.
Try exposing it to a lamp or similar light source for a few minutes and then test it in a dark place.
Q. It doesn't light up as nicely as in the picture.
A. To photograph the fluorite, we blocked out all light with blackout curtains and turned off all fluorescent lights, creating a completely dark environment for the photographs.
If you can recreate a similar environment, it will light up beautifully, just like in the image.
＞＞ About glass products ＜＜
All the glass products we carry are handcrafted one by one by skilled artisans.
No two pieces are exactly alike in color or pattern; each one has a unique appearance.
Please understand that this is one of the charms of handmade products.
Please enjoy the handcrafted charm created by skilled glass artisans.
＞＞ Precautions for Use ＜＜
This product is not made of heat-resistant or tempered glass.
Please refrain from using dishwashers, hot water, boiling water, or microwaves.
Glass products can break due to sudden temperature changes.
Please be careful not to cool or heat it too quickly.
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