Natural Stone Academy

Bloodstone is an iron oxide mineral known for its dark red to black colors. It has been an important stone in various cultures through...

Calcite is a versatile and widespread calcium carbonate mineral known for its variety of colors and crystal forms. Known for its aesth...

Chalcedony is a precious quartz mineral known for its pastel tones and silky luster. Its translucent structure and unique variety of c...

Red Jasper is a precious quartz variety known for its intense red color and unique patterns. Known as a protective stone since ancient...

Gray Jasper is a precious quartz known for its calm gray tones and unique patterns. It is often known for its calming and balancing en...

Iolite is a precious silicate mineral known for its magnificent blue and violet hues. The Vikings called it the "sky stone" and it has...

Pearl is a rare and precious stone of organic origin, naturally formed inside seashells. Known for its shine and elegance, pearls have...

Hematite is an important iron oxide mineral known for its metallic luster and dark gray or black colors. This article examines where H...

Heliodor is a precious beryl mineral known for its bright yellow and greenish yellow hues. Its name is derived from the Greek words "h...