Category Archives: QUARTZ

QUARTZ GEM NOTES

QUARTZ Gemology NOTES  PUBLISHED BY MARCEL VOGEL AND P.R.I.   Species: Macrocrystalline Quartz Chemical composition: SiO2, silicon dioxide Hardness: 7 (Mohs scale) Specific gravity: 2.65 Refractive index: 1.544 – 1.553 Birefringence: up to 0.009 Color of streak: White Absorption spectrum, color, crystal system and fluorescence differ within the varieties. Quartz is...

WHAT IS QUARTZ?

WHAT ARE QUARTZ CRYSTALS  PUBLISHED BY MARCEL VOGEL AND P.R.I.   A.   According to modern science, quartz crystals are a naturally balanced solid state energy field. Developments are now at the stage of showing new uses of quartz crystal energy in relation to the human vehicle, for manifestation of it’s...