Prase...........Deep green.
Rose Quartz.....Pink.
Sard ............Brownish red.
Sardonyx .......Brownish red with strata.
Siderite.........Grayish, indigo and Berlin blue.
Sagenite........Colorless, penetrated by crystals of
other minerals.
Rock Crystal .... Colorless.
Rhodolite...........Pink garnet.
Rhodonite ..........Flesh to light red.
Ruby................Blood and wine-red; pink.
Rubellite...........Red tourmaline.
Rutile..............Black and red.
Sapphire............Blue, yellow, pink, green, purple, etc.
Scapolite ...........Purple, pink, and lavender.
Schorl..............Black tourmaline.
Serpentine..........Deep green.
Smaragdite..........Green, greenish gray, gray.
Sodalite ............Violet to deep azure-blue.
Spessartite..........Yellow garnet.
Sphene .............Yellow to green intermixed.
Spinel ..............Yellowish red, violet and indigo-blue, light to blackish green.
Spodumene..........Gray to greenish gray.
Staurolites .........Reddish brown to black.
Sunstone ...........Gray, reddish gray, and gold with
prismatic reflections.
Thomsonite.........Flesh with concentric markings of
red, yellow, and green.
Thulite.............Mottled pink.
Topaz...............White, light green, and blue; pink;
all shades of yellow to red.
Tourmaline.........Green, pink, red, blue, gray, brown,
and colorless. Turquoise...........Azure-blue in various shades.
