red+chalcedony
41Moss agate — pebble, 1 inch (25 mm) long. Montana mo …
42Mozarkite — is a form of chert (flint). It is the state rock of Missouri. The name is a portmanteau, formed from Mo (Missouri), zark (Ozarks), and ite (meaning rock). Mozarkite consists essentially of silica (quartz SiO2) with varying amounts of chalcedony.… …
43Lake Superior agate — The Lake Superior agate is a type of agate stained by iron and found on the shores of Lake Superior. Its wide distribution and iron rich bands of color reflect the gemstone s geologic history in Minnesota. In 1969 the Lake Superior agate was… …
44bloodstone — /blud stohn /, n. a greenish variety of chalcedony with small bloodlike spots of red jasper scattered through it. Also called heliotrope. [1545 55; BLOOD + STONE] * * * ▪ mineral also called heliotrope dark green variety of the silica mineral… …
45plasma — plasmatic /plaz mat ik/, plasmic, adj. /plaz meuh/, n. 1. Anat., Physiol. the liquid part of blood or lymph, as distinguished from the suspended elements. 2. Cell Biol. cytoplasm. 3. whey. 4. a green, faintly translucent chalcedony. 5. Physics. a …
46Quartzite — Swan Peak Quartzite (Ordovician) ex …
47Cristobalite — spheres formed via devitrification (loss of silica) from the obsidian matrix (California, USA) 5.9×3.8×3.8 cm. General Category Silicate mineral …
48Quartz-porphyry — Quartz porphyry, in petrology, is the name given to a group of hemi crystalline acid rocks containing porphyritic crystals of quartz in a fine grained matrix, usually of micro crystalline or felsitic structure. In specimens, the quartz appears as …
49agate — agatelike, agatoid, adj. /ag it/, n. 1. a variegated chalcedony showing curved, colored bands or other markings. 2. a playing marble made of this substance, or of glass in imitation of it. 3. Print. a 51/2 point type of a size between pearl and… …
50color — I (New American Roget s College Thesaurus) Rainbow hue Nouns 1. color, hue, tint, tinge, shade, dye, complexion, tincture, cast, coloration, glow, flush; tone, key; color organ; Technicolor. 2. pure, primary, positive, or complementary color;… …
