![stichtite cut in cabochon](https://www.patrickvoillot.com/wp-content/uploads/2021/03/stichtite-cabochon55-150x150.png)
![yellow datolite from Russia oval cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/datolite-ovale-russie195-300x200.png)
datolite
![datolite crystal from Dalnegorsk in Russia](https://www.patrickvoillot.com/wp-content/uploads/2021/03/datolite-cristal-dalnegorsk-russie-300x200.jpg)
datolite crystal from Dalnegorsk in Russia
![yellow datolite triangle cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/datolite-triangle-300x205.jpg)
yellow datolite triangle cut
Detailed sheet
datolite
Its name comes from Greek by illustrating its ability to “split” into pieces when massive datolite aggregates are broken.
A rock rarely found in a gem form, it is often associated with zeolites in basalt cavities.
![](https://www.patrickvoillot.com/wp-content/uploads/2021/04/zoom-in.png)
![](https://www.patrickvoillot.com/wp-content/themes/astra-child/images/icon-image.png)
CHEMICAL CHARACTERISTICS
CaB[SiO4] (OH)
calcium boron - silicate
![](https://www.patrickvoillot.com/wp-content/uploads/2021/04/zoom-in.png)
![](https://www.patrickvoillot.com/wp-content/themes/astra-child/images/icon-image2.png)
PHYSICAL CHARACTERISTICS
Main color
colourless
Other colors
white, brown, grey, yellow, green
very light shades
Color of streak
white
Luster
resinous, vitreous
Hardness
5.0 to 5.5
Density
2.90 to 3.00
Cleavage
good
Fracture
conchoidal, uneven
![](https://www.patrickvoillot.com/wp-content/uploads/2021/04/zoom-in.png)
![](https://www.patrickvoillot.com/wp-content/themes/astra-child/images/icon-image3.png)
OPTICAL PROPERTIES
Transparency
translucent, transparent
Refractive index
1.620 - 1.675
Double refraction
0.040
definite, biaxial (-)
visible double refraction
Yes
Dispersion
0.000(0.016)
Pleochroism
absent
Number of colors
1
Fluorescence
variable
yellow to blue
![](https://www.patrickvoillot.com/wp-content/uploads/2021/04/zoom-in.png)
![](https://www.patrickvoillot.com/wp-content/themes/astra-child/images/icon-image4.png)
CRYSTALS PROPERTIES
short prismatic
crystals system
monoclinic
![](https://www.patrickvoillot.com/wp-content/uploads/2021/04/zoom-in.png)
![](https://www.patrickvoillot.com/wp-content/themes/astra-child/images/icon-image5.png)
OTHER INFORMATIONS
![](https://www.patrickvoillot.com/wp-content/uploads/2021/04/zoom-in.png)
![](https://www.patrickvoillot.com/wp-content/themes/astra-child/images/icon-image6.png)
APPROACHING GEMS
Exploited
sites
It is found in South Africa, Namibia, Australia, China, Japan, Russia, Slovakia, England, United States, in Canada.
use in jewelry
A collection stone with very faded colors.
Venez visitez
notre site web
voillot-joaillier.fr
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