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Apophyllite

Mineral formula: AB4[Si8O22]X · 8H2O where A = K, Na, NH4, Cs; B = Ca (in apophyllite rootname members), Sr (in mcglassonite rootname member); X = F, OH

Mineral group: member of the phyllosilicate group and now the name of a group of related minerals

Crystal system: tetragonal

Crystal habit: Prismatic, tabular, massive

Cleavage: Perfect on (001)

Fracture: uneven

Color: white, colorless, or pale shades of blue, green, brown, yellow, pink, violet

Luster: vitreous to pearly

Diaphaneity: opaque, translucent or transparent

Moh’s scale hardness: 4½ - 5

Streak: white

Specific gravity: 2.3 – 2.4

Named after:  the Greek for "away from" (ἀπό, apo) and "leaf" (φύλλον, phyllos), in allusion to the way it exfoliates upon heating.

Geological occurrence:  as secondary minerals in vesicles in basalt or other volcanic rocks.

Energetic properties: Apophyllite works to soothe feelings of anxiety, fear, and worry. By working to absorb negative thought patterns, apophyllite supports creative, productive problem-solving. Apophyllite is known as the reiki healing crystal, working with reiki energy to support healing.

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