-
Opal is a
hydrated amorphous form of
silica (SiO2·nH2O); its
water content may
range from 3% to 21% by weight, but is
usually between 6% and 10%. Due to...
- Look up
opal in Wiktionary, the free dictionary.
Opal is a gemstone.
Opal or
OPAL may also
refer to:
Opal,
Alberta Opal Hills,
Jasper National Park, Alberta...
-
Opal Irene Whiteley (December 11, 1897 –
February 16, 1992) was an
American nature writer and
diarist who
gained international fame for the publication...
-
Opal is a
contactless smartcard fare
collection system for
public transport services in the
greater Sydney area.
Operation of the
Opal system is managed...
- The
Opal (1851–1860) is a ten
volume journal written,
edited and
printed by the
patients of the
Utica State Lunatic Asylum,
circa 1851. On its more than...
-
Opal Lee (born
October 7, 1926) is an
American retired teacher, counselor, and
activist in the
movement to make
Juneteenth a
federally recognized holiday...
-
Opal Suchata Chuangsri".
PAGEANT Circle. 22
April 2025.
Retrieved 30
April 2025. "เปิดประวัติ 'โอปอล สุชาตา ช่วงศรี'" [Revealing the
history of '
Opal...
-
Hurricane Opal was a
large and
powerful tropical cyclone that
caused severe and
extensive damage along the
northern Gulf
Coast of the
United States in...
-
Starburst (originally
known as
Opal Fruits) is the
brand name of a box-shaped, fruit-flavoured soft
taffy candy manufactured by The
Wrigley Company, which...
- The
Galaxy Opal is the world's
largest polished opal,
certified by the
Guinness Book of
World Records in 1992. It was
found at the Boi
Morto Mine in Brazil...