3.75" Colombian Lemurian Crystal TC1727 Ring The Tyndall effect is also

The Tyndall effect is also the reason why blue chalcedony appears yellow or brown when strong light shines through it

Wavellite Specimen

Locality: Talefre Glacier

Aragonite crystals often form elongated prismatic or needle-like structures that radiate outwards

Some of the sphalerite crystals are small enough that they are able to show their semi-transparent orange color

3.75" Colombian Lemurian Crystal TC1727 Ring The Tyndall effect is alsoColombian Lemurian Approx. Dimensions: 3. 75 x 1 x 1 inches Approx. Weight: 81 grams Locality: Penas Blancas, Boyaca, Colombia Acrylic stand and putty are not included All of our Colombian quartz is completely natural and has no polishing done. Colombian optical quartz crystals are also referred to as Colombian Lemurians. It has been theorized that this particular variety of quartz gets its unique luster and optical clarity from the addition of