The mineral known as Celestine is comprised of its constituent elements (strontium, sulphur and oxygen) arranged in the orthorhombic system of crystal symmetry. This system of crystal symmetry includes three axesthat are at right-angles to each other and of different lengths. Crystals celestine may be either tabular or prismatic (similar to baryte - see below). Fibrous and granular forms are also found. The name Celestine is derived from the latin word celestis, which means celestial. This choice of name is generally attributed to the pale (sky) blue colour of many crystals of celestine.

Associations of Celestine ~ Celestine has several interesting metaphysical characteristics. These include suitability for the following:  Use to aid mental activities and processes, integrating conciousness with instinct.  Facilitating balance in a wide range of situations.  Use to aid astral travel and dream recall.  Bringing brightened hopes and cheerful disposition - including calm, and harmony.  Pursuits involving music and delicate arts such as detailed drawing and painting.  As a gift - in the spirt of love, light and blessing.  As a healing stone.  Astrological Sign of Gemini.  Mental activities and rationality, Balance, Communication, Astral Travel, Bright Hope and Good Fortune, Music.  The numbers 2 and 8.

Colours of Celestine ~ The most popular and well-known shades of blue celestine range from colourless through a faint bluish-white to sky-blue.  Some texts mention other colours of celestine, including "reddish", yellow, orange, red and red brown.  The twoA samples of Blue Celestine illustrated below are from Madagascar.