Within sodalite, the elegance of the heavens can be found through its blue-violet colour which entrances and amazes those lucky enough to admire it. Sodalite was first discovered in Greenland all the way back in 1806, although, since then a bigger deposit was found in Ontario, Canada in 1891. Although most stones you find are relatively inexpensive, sodalite is actually quite rare. This is because of its part in feldspathoids, the lack of sodalite-bearing rocks, and its unique colour.
What are feldspathoids?
Sodalite can be found within a mineral group called feldspathoids. This group contains minerals that have an insufficient amount of silicon dioxide in relation to feldspars. Instead, it is rich in sodium, potassium, or calcium.
Because of the aluminosilicate minerals in this group it means that they are quite uncommon. Sodalite within this group is very rare to find. This is unlike other more common feldspathoids such as nepheline or leucite, thus increasing its rarity. However, sodalite is sometimes found alongside these more common feldspathoids. This rarity of sodalite could very well be because of its occurrence in igneous rocks as vein fillings created by fractures in the rock.
Another way it occurs, though very rarely, is through contact metamorphic rocks. This is when a rock’s minerals get changed through direct contact with magma. This is less common because it requires metamorphic rocks to form under confining pressure or low-pressure conditions so that they don’t become foliated.
Feldspathoids themselves are rare but within this mineral group, sodalites are very uncommon, due to their occurrence only in vein fillings or contact metamorphic rocks. Feldspathoids are quite a rare type of mineral group due to their lack of silicon dioxide, thus making sodalite a rare mineral.
Finding sodalite in other rocks
Rocks that bear sodalite include nepheline syenite, phonolite, and trachyte. These rock types are so rare that geologists hardly ever see them in the field, making the super rare. Sodalite-bearing rocks are pretty uncommon though. As sodalite is mainly found in large quantities which break easily through conchoidal fractures (a smooth cut for stones where the precious material doesn’t stick out), as it is a brittle material.
It does not break straight like minerals with “perfect” cleavage, such as barite, fluorite, and calcite. This makes its ability to bear itself to another rock quite difficult, particularly in the extraction and mining process. It can be very hard to find a sodalite- bearing rock is a very uncommon occurrence. But if you do manage to see them, it makes this rock even more magnificent to behold.
Some colors of sodalite are rarer than others
The eye-capturing mineral, that is sodalite, is most commonly found as a bright blue to blue-violet colour with a spectacular white veining. It can also, however, be found as a green, white, grey, red, or yellow colour, and sometimes it can even be colourless.
Minerals and rocks are rarely found as a blue. I bet you wouldn’t have guessed that! This makes sodalite even rarer as it doesn’t appear as only a shade of blue. Because of its heavenly blue and white beauty, it easily attracts interest to those that know about it.
Sodalite is a rare and beautiful mineral that astounds those lucky enough to see it in its natural form. Alongside its beauty it comes with so many different spiritual meanings and is an extremely sacred rock. Its rarity comes in many forms. From its contribution to the mineral group feldspathoids, through its aluminosilicate minerals, to the limited amount of sodalite-bearing rocks, and the abstract blue colour (along with many more colours), it leaves sodalite as undoubtedly a very rare rock. Although it is rare it can be found in countries such as Greenland, Canada, Portugal, Australia, China, and Russia. Once this rock is found, it isn’t just appealing to the eye.
As I’ve spoken about before, sodalite also has a number of spiritual benefits. Not least its ability to bring wisdom, clarity, and creativity into the users life.