Larimar Stone Grades and Quality

According to all scientific studies, Larimar is a type of pectolite, or a rock composed largely of pectolite, an acid silicate 

Larimar Slab

hydrate of calcium and sodium. Although pectolite is found in many locations, none have the unique volcanic blue coloration of Larimar. This blue color, distinct from that of other pectolites, is the result of copper substitution for calcium Larimar is of volcanic origin, etc.

This stone will appear in different blue, blue green colors and there are also some that almost have a green jade color, but it is still Larimar! You also have the natural pattern varities, between light and deep blue, light blue and green, some with inclusions, such as hematite or red dendrites, with white to gray squarish patches, there are uncountable beautiful patterns Every time the Larimar rough stone is cut into slices or slabs, you will discover a new stunning one or two sided piece, it is just amazing; one can never get enough of this stone which mimicks so well our Caribbean sea waters and sky!

The hardness of this stone is between 5 to 8 in Moh´s scale; its hardness depends also of the light or deep blue colors, the darker stone is harder!

Marbel Larimar Pendant

Larimar Bracelet

Only 10 percent of the Larimar stone is suitable for jewelry after it has been cut and polished! This is one of the factors that makes this stone expensive

Larimar Double Stone Earrings

There is no standard specification for the different Larimar grades and all Larimar jewelry producers and vendors will clasify the grades according to their knowledge. However, not everybody knows this stone very good, believe me!! Even the Dominican artisans who have been working with Larimar for many, many years can be cheated by the miners if they buy uncut rough Larimar stone. Nowadays the Dominican artisans prefer to buy the Larimar in slabs and still they might be cheated with some cracked slabs!!

Lately many rough Larimar Stones are being exported to China and India, good and not good qualities Larimar, but the chinese and indians will use everything in order not to lose money!

For example: There is a Larimar Stone with an unstable blue color, which will change of color after mined because of lack of particular humidity and temperatur present in the área where it was found! Only if you are a connoisseur you will notice the difference of this Larimar Stone, which color will fade in short time due to lack of the humidity and temperature it needs.

Another data, most probably unknown, is that a transparent Larimar piece, very scarce indeed, belongs to gem quality! Many people ignore this, which is a pity because these pieces are rare, different and beautiful!

In order to secure good quality Larimar the Dominican artisans are now standing next to the pits waiting for the miners to appear with the Larimar stones they were able to find and they negotiate the price right there according, to the quality of the stone 

Marbel Larimar Pendant

It is important to avoid long sun exposure, salt water and chemicals to maintain the good quality of the Larimar Stone!

A Larimar stone which after years has kept its genuine color and/or became more blue, because of its location (cold or humid place), is a good quality Larimar no matter if it is deep or light blue, you did a good purchase!