BERYLLONITE  , a See also:

• MINERAL

mineral phosphate of See also:

• BERYLLIUM

beryllium and See also:

• SODIUM [symbol Na, from Lat. natrium; atomic weight 23.00 (0=16)]

sodium, NaBePO4, found as highly complex orthorhombic crystals and as broken fragments in the disintegrated material of a granitic vein at See also:

• STONEHAM

Stoneham, See also:

• MAINE
• MAINE, ANNE LOUISE BENEDICTE DE BOURBON
• MAINE, SIR HENRY JAMES SUMNER (1822–1888)

Maine, where it is associated with See also:

• FELSPAR, or FELDSPAR

felspar, smoky See also:

• QUARTZ

quartz, See also:

• BERYL

beryl and See also:

• COLUMBITE

columbite . It was discovered by Prof . E . S . See also:

• DANA, CHARLES ANDERSON (1819–'897)
• DANA, FRANCIS (1743-1811)
• DANA, JAMES DWIGHT (1813-1895)

Dana in 1888, and named beryllonite because it contains beryllium in large amount . The crystals vary from colourless to See also:

• WHITE
• WHITE, ANDREW DICKSON (1832– )
• WHITE, GILBERT (1720–1793)
• WHITE, HENRY KIRKE (1785-1806)
• WHITE, HUGH LAWSON (1773-1840)
• WHITE, JOSEPH BLANCO (1775-1841)
• WHITE, RICHARD GRANT (1822-1885)
• WHITE, ROBERT (1645-1704)
• WHITE, SIR GEORGE STUART (1835– )
• WHITE, SIR THOMAS (1492-1567)
• WHITE, SIR WILLIAM ARTHUR (1824--1891)
• WHITE, SIR WILLIAM HENRY (1845– )
• WHITE, THOMAS (1628-1698)
• WHITE, THOMAS (c. 1550-1624)

white or See also:

• 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)

pale yellowish, and are trans-See also:

• PARENT, SIMON NAPOLEON (1855– )

parent with a vitreous lustre; there is a perfect cleavage in one direction . Hardness 51-6; specific gravity 2.845 . A few crystals have been cut and faceted, but, as the refractive See also:

• INDEX

index is no higher than that of quartz, they do not make very brilliant See also:

• GEM (Lat. gemma, a bud,—from the root gen, meaning " to produce,"—or precious stone; in the latter sense the Greek term is > d>os)
• GEM, ARTIFICIAL

gem-stones .