DANBURITE

This article appears in Volume V07, Page 793 of the Encyclopedia Britannica.

Encyclopedia Britannica - Main :: DAH-DEM

DANBURITE , a rare

mineral

MINERAL

species consisting of calcium and

boron

BORON (symbol B, atomic
weight
- WEIGHT
I I)

orthosilicate, CaB2(SiO4)2, crystallizing in the orthorhombic system. It was discovered by C. -U. Shepard in 1839 at Danbury, Connecticut, U.S.A., and named by him after this locality. The crystals are prismatic in habit, and closely resemble

topaz

TOPAZ

in form and interfacial angles. There is an imperfect cleavage parallel to the basal plane. Crystals are transparent to translucent, and colourless to

pale

PALE (through Fr. pal, from Lat. palms, a stake, for paglus, from the stem pag- of pangere, to fix; " pole " is from the same original source)

yellow; hardness 7; specific gravity 3o. At Danbury the

mineral

MINERAL

occurs with microcline and oligoclase embedded in dolomite. Large crystals, reaching 4 in. in length, have been found with calcite in veins traversing granite at Russell in St Lawrence county, New

York

YORK
YORK (
HOUSE
- HOUSE
- HOUSE (O. Eng. hiss, a word common to Teutonic languages, cf. Dut. huis, Ger. Haus; in
  Gothic
  - GOTHIC
  it is only found in gudhiss, a temple; it may be ultimately connected with the root of " hide," conceal)
OF)
YORK, EDMUND OF
LANGLEY
- LANGLEY, SAMUEL PIERPONT (1834-1906)
, DUKE OF (1341-1402)
YORK, EDWARD
YORK, FREDERICK
AUGUSTUS
- AUGUSTUS (a name 1 derived from Lat. augeo, increase, i.e. venerable, majestic, Gr. Ee0avr6s)
, DUKE OF (1763-1827)
YORK, RICHARD, DUKE

. Smaller but well-developed crystals have been found on gneiss at Mt. Scopi and Petersthal (the valley of the Vals Rhine) in Switzerland. Splendid crystals have recently been obtained from Japan.

End of Article: DANBURITE

If you wish, you can link directly to this article.

<a href="http://jcsm.org/StudyCenter/Encyclopedia/DAH_DEM/DANBURITE.html">
DANBURITE
</a>

(Previous)
DANAUS

(Next)
DANBURY

JCSM was founded in 1997 and exists to help the community and bring people into a life-changing and productive relationship with Jesus Christ. JCSM offers over 200,000 free web pages, including its weekly inspirational emails that were sent continuously for over a decade.

Jesus Christ Saves Ministries
P.O. Box 9297
San Diego, CA 92169
1-888-887-0417 or Email

Sponsored Advertisements

Online First Aid and CPR Certification . DHA Solutions . PB Happy Hour Specials . Improvising Made Easy For Guitar and Bass . The Skeptic's Annotated Bible: Corrected and Explained . Home Equity Loans . First Aid and CPR Online . San Diego Music Lessons . 10,000 Wise Quotes and Spiritual Sayings . Blow Up Your Site (For Free!) . San Diego DUI Lawyers . Jason Gastrich . Jordan Faith Gastrich . Divorce Secrets Revealed . Post Your Ad Link Free . San Diego Soccer Training . JCSM . Download Sermons . Custom Religious Banners, Build A Sign . Christian Singles Dating . Christian T-Shirts . Healing Christian Prayer . Bumper Authority . Personalized Blogs and Email . San Diego Haircuts . The Do the Math Diet . Stop Twitter Spam . Christian Conservative Work at Home Network . The Website of the Lord