Orthoclase Metaphysical Meanings and Healing Properties. Orthoclase appears as well-formed, short, prismatic crystals, which are frequently twinned. Orthoclase, or orthoclase feldspar (endmember formula K Al Si 3 O 8), is an important tectosilicate mineral which forms igneous rock.The name is from the Ancient Greek for "straight fracture," because its two cleavage planes are at right angles to each other. It is polymorphous with the minerals Microcline and Sanidine.These three minerals form the Potassium Feldspar group.They are almost identical in physical properties, and it is sometimes impossible to distinguish one another without x-ray analysis. Addictions, aids brain activity, eyes, metabolism, helps psoriasis, stomach, protects aura. Structure Monoclinic. Orthoclase is associated with the Solar plexus Chakra, aligns all Chakras and can be used for chakra balancing. Orthoclase is one of the most common minerals, and occurs in numerous mineral environments. Moonstone is a variety of orthoclase that exhibits a schiller effect. This is lovely pale yellow Orthoclase which is alluvial (smoothed by water). It may also occur in massive form. Healing. Orthoclase is usually white, gray, flesh red and rarely green. Helps Overcome Tragedy, Assists in Alignment of Chakras and Meridians, Stimulate Higher Psychic Abilities. Metaphysical healing lore says that Orthoclase protects the internal organs, strengthens the bones and boosts energy. Orthoclase Orthoclase. (Healing Crystal, Ascension Crystal) Hardness: 5.5 - 6.0 Origin: Madagascar The metaphysical properties below are used *with* permission from Kristi Hugs - Kristi's Amazon Author page. Pure orthoclase is rare some sodium is usually present in the structure. It is a type of potassium feldspar, also known as K-feldspar.The gem known as moonstone (see below) is largely composed of orthoclase. Chemical KAlSi3O8.