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Beans, Berry, Beverage, Bird, Building & Monument Stone, Cat, Ceremonial March, Children's Author and Illustrator, Children's Book, Citizenry, Cookie, Dessert, Dog, Donut, Explorer Rock, Fish, Flag, Flower or Floral Emblem, Folk Dance, Folk Hero, Folk Song, Fossil, Fruit, Game Bird, Gem, Glee Club Song, Heroine, Historical Rock, Horse, Insect, Marine Mammal, Mineral, Motto, Muffin, Nicknames, Ode of the Commonwealth, Patriotic Song, Poem, Polka, Rock, Seal, Shell, Soil, Song, Tree, Veterans of Southwest, Asia War Monument, Vietnam War Memorial
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Massachusetts State Mineral

BabingtoniteBabingtonite: Massachusetts State Mineral

(Ca2(Fe++,Mn)Fe+++Si5O14(OH))

Adopted in April of 1971.

The finest quality Babingtonite in America has come from this state. Although the Commonwealth is not overly blessed with mineral resources, it is one of the few locations in the world where this usually jet black material with a brilliant submetallic luster is found. The Legislature adopted it in April of 1971.

A mineral occurring in triclinic crystals approaching pyroxene in angle, and of a greenish black color. It is a silicate of iron, manganese, and lime.

General Silicates Information

Chemical Formula Ca2(Fe++,Mn)Fe+++Si5O14(OH)
Composition Molecular Weight = 573.05 gm
Calcium       13.99 %  Ca   19.57 %  CaO 
Manganese   2.40 %  Mn    3.09 %  MnO
Iron             17.05 %  Fe  21.94 %  FeO
Silicon          24.51 %  Si   52.43 %  SiO2
Hydrogen      0.18 %   H    1.57 %  H2O
Oxygen       41.88 % O
                    ______             ______    
                  100.00 %          98.60 % = TOTAL OXIDE
Empirical Formula Ca2Fe2+0.75Mn2+0.25Fe2+Si5O14(OH)
Environment Found with the typically white or pale colored zeolites
IMA Status Valid Species (Pre-IMA) 1824
Locality Poona, India; Devon, England; Baveno, Italy and several locations in Massachusetts
Name Origin Named after the Irish physicist and mineralogist, W. Babington (1757-1833).
State Symbols
State Map: Symbols
State symbols represent things that are special to a particular state.

symbol \ˈsim-bəl\
noun

Etymology:
in sense 1, from Late Latin symbolum, from Late Greek symbolon, from Greek, token, sign; in other senses from Latin symbolum token, sign, symbol, from Greek symbolon, literally, token of identity verified by comparing its other half, from symballein to throw together, compare, from syn- + ballein to throw — more at devil
Date: 15th century

1: Something that represents something else by association, resemblance, or convention, especially a material object used to represent something invisible.
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