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Germstones Pictures

Precious and Semi-precious Gemstone (gif-format)

Glory and Hellene in the Field

Glory and Hellene

Conditions necessary for the formation of hydrothermal mineral deposits

Conditions necessary for the formation of hydrothermal mineral deposits include:
(1) Presence of hot water to dissolve and transport minerals,
(2) Presence of interconnected openings in the rock to allow the solutions to move,
(3) Availability of sites for the deposits, and
(4) Chemical reaction that will result in deposition.