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Howlite:
Borates (Hydrated calcium silico-borate) Ca2B5SiO9(OH)5 AKA: |
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System: Monoclinic; crystals tabular, up to 1mm (1/25") across, very rare; usually occurs as compact, dense, structureless nodular masses that resemble unglazed porcelain; sometimes scaly, earthy, chalklike. Appearance: White; subvitreous, glimmering, dull; streak white. Physical Properties: Hardness: (3.5); Specific gravity: (2.53 - 2.59). Cleavage: none; fracture, conchoidal, smooth; translucent in thin splinters; brittle. Similar species: Datolite is harder and will not dissolve in hydrochloric acid. Occurrence: Howlite develops in evaporate deposits in sedimentary rocks and usually occurs with ulexite and colemanite as nodules in clay. Howlite has been found primarily as nodules in Nova Scotia and California. Miscellaneous: Howlite is named after Henry How (d. 1879), the Nova Scotia chemist, geologist and mineralologist who first described the mineral. It has been used in polished form as a decorative stone. Conventional Wisdom: Gently absorbs and uplifts stress, tension, anxiety, emotional intensity, etc. It tends to combine the power of reasoning with observation and patience, providing for discernment, retentive memory and a laudable desire for knowledge, bring progress marked with triumph. Howlite can be used to eliminate pain, stress and rage. It can lessen rudeness and boisterousness and can provide for a reflection of the offender to the offender. This mineral can be useful for balancing calcium levels in the body, both stimulating increase or decrease dependent on the area. It can also be used in the treatment of disorders of the teeth, bone structure and soft tissues. Belongs to the Astrological Sign of Gemini. |