dodecahedrons
1dodecahedrons — do·dec·a·he·dron || ‚dəʊdekÉ™ hedrÉ™n n. polyhedron having twelve plane faces (Geometry) …
2120-cell — Schlegel diagram (vertices and edges) Type Convex regular 4 polytope Schläfli symbol {5,3,3} …
3garnet — garnetlike, adj. /gahr nit/, n. 1. any of a group of hard, vitreous minerals, silicates of calcium, magnesium, iron, or manganese with aluminum or iron, varying in color: a deep red transparent variety is used as a gem and as an abrasive. 2. a… …
4Garnet — /gahr nit/, n. Henry Highland, 1815 82, U.S. clergyman and abolitionist. * * * Any of a group of common silicate minerals with identical crystal structure but highly variable chemical composition. Garnets are most often found in metamorphic rocks …
5Native elements — ▪ Table Native elements name colour lustre Mohs hardness specific gravity habit or form allemontite tin white; reddish gray metallic 3–4 5.8–6.2 kidneylike masses amalgam gold amalgam yellowish metallic 15.5 lumps or grains moschellandsbergite… …
6Important gemstones — ▪ Table Important gemstones mineral gem name colour Mohs hardness* specific gravity* beryl aquamarine sky blue to greenish blue 7½–8 2.68–2.71 emerald green 2.68–2.74 goshenite colourless; greenish yellow, yellow green, brownish same as… …
7Sodalite — So da*lite, n. [Soda + lite: cf. F. sodalithe.] (Min.) A mineral of a white to blue or gray color, occuring commonly in dodecahedrons, also massive. It is a silicate of alumina and soda with some chlorine. [1913 Webster] …
8Magic square — In recreational mathematics, a magic square of order n is an arrangement of n2 numbers, usually distinct integers, in a square, such that the n numbers in all rows, all columns, and both diagonals sum to the same constant.[1] A normal magic… …
9Sodalite — Infobox mineral name = Sodalite category = boxwidth = boxbgcolor = caption = Sodalite of 7.5cm formula = Sodium aluminium silicate with chlorine (Na4Al3(SiO4)3Cl) color = Rich royal blue, green, yellow, violet, white veining common habit =… …
10Mathematics and art — have a long historical relationship. The ancient Egyptians and ancient Greeks knew about the golden ratio, regarded as an aesthetically pleasing ratio, and incorporated it into the design of monuments including the Great Pyramid,[1] the Parthenon …
