Some transparent specimens occur in sri lanka but other locales usually don t produce high quality blue gemstones.
Crystal light blue green stone.
Opal is also formed by diatoms.
This blue stone ranges in shade from light blue green blue to deep blue.
Fine facetable crystals are rare and collectible.
Translucent grey color with occasional banding.
Larimar is a rare blue crystal found only in the dominican republic in the caribbean.
Clear with green black inclusions.
Based in the united kingdom.
In general a pure green hue is the most desirable and more expensive.
Blue opal also comes from oregon and idaho in the owyhee region as well as from nevada around the virgin valley.
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For secondary hues most people prefer a hint of blue to a yellowish green stone.
Below you will find links to useful information about different types of minerals crystals or rocks.
Green gems may have blue or yellow secondary hues present.
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Each link will take you to a special page that is a fully annotated and a rather exhaustive look at the myriad of metaphysical uses and properties of that mineral crystal or rock.
Named for blue hues that can resemble sapphire sapphirine can have light to dark blue to blue green hues.
Peruvian opal also called blue opal is a semi opaque to opaque blue green stone found in peru which is often cut to include the matrix in the more opaque stones.
Yellow green stones can still be quite attractive but won t reach top dollar.
Grey smoky color with blue green.
This luster is known as labradorescence.
Hawk s eye blue grey to blue green color hemimorphite very light blue stone almost white in color jadeite a very light violet blue almost white in color kyanite a dark but very rich color of stone labradorite a translucent very light blue almost clear stone.
It does not display a play of color.
Dark stone blending black grey and brown colors with cream specks.
The color of this blue gem is photosensitive and fades in intensity with too much exposure to sunlight.