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The specific granite
types are as follows:
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New Venetian Gold, Brazil;
medium grained, yellow-beige gneiss with many dark red garnets
-
Uba Tuba, Brazil; A medium- to coarse
grained, olive-green granite
-
Santa Cecilia, Brazil; A
coarse-grained, yellow-grey gneiss with up to pie-sized, red
garnets
-
Tropic Brown, Saudi Arabia;
medium-grained, brown granite
-
Absolute Black, India; black
basalt
-
Tan Brown, India; A black-brown
igneous rock with big, shapeless, brown-red feldspar crystals
-
Giallo Ornamental, Brazil;
coarse-grained, brown-yellow granulite with some brown-red garnets
-
Crema Bordeaux, Brazil;
Juparana Crema Bordeaux, Brunello; A coarse- to very
coarse-grained, pink to red granite with areas of quartz, alkali
feldspar and quite a lot of ore
-
Baltic Brown, Finland;
brown-black granite
-
Giallo Veneziano, Brazil; medium- to
coarse-grained, ochre-yellow to golden-brown, also light pink,
gneiss
-
Dakota Mahogany, USA; medium-
to coarse-grained, brown-red granite
-
China Black, China, a fine-grained
plutonic rock
-
Yellow Star, China, a
medium-grained yellow to pink granite
Radon Myths and Facts
MYTH:
Scientists are not sure that radon really is a problem.
FACT:
Although
some scientists dispute the precise number of deaths due to radon,
all the major health organizations (like the Centers for Disease
Control and Prevention, the American Lung Association and the
American Medical Association) agree with estimates that radon causes
thousands of preventable lung cancer deaths every year. This is
especially true among smokers, since the risk to smokers is much
greater than to non-smokers.
MYTH: Radon
testing is difficult, time-consuming and expensive.
FACT:
Radon
testing is easy and inexpensive.
MYTH: Radon
testing devices are not reliable and are difficult to find.
FACT:
Reliable
testing devices are available from qualified radon testers and
companies.
MYTH: Homes
with radon problems can't be fixed.
FACT:
There are
simple solutions to radon problems in homes. Hundreds of thousands
of homeowners have already fixed radon problems in their homes.
Radon levels can be readily lowered for $800 to $2,500 (with an
average cost of $1,200)..
MYTH: Radon
affects only certain kinds of homes.
FACT:
House
construction can affect radon levels. However, radon can be a
problem in homes of all types: old homes, new homes, drafty
homes, insulated homes, homes with basements, and homes without
basements. Local geology, construction materials, and how the
home was built are among the factors that can affect radon levels in
homes.
MYTH: Radon
is only a problem in certain parts of the country.
FACT:
High radon
levels have been found in every state. Radon problems do vary from
area to area, but the only way to know your radon level is to test.
MYTH: A
neighbor's test result is a good indication of whether your home has
a problem.
FACT:
It's not.
Radon levels can vary greatly from home to home. The only way to
know if your home has a radon problem is to test it.
MYTH: It's
difficult to sell homes where radon problems have been discovered.
FACT:
Where radon
problems have been fixed, home sales have not been blocked or
frustrated. The added protection is some times a good selling point.
MYTH: I've
lived in my home for so long, it doesn't make sense to take action
now.
FACT:
You will
reduce your risk of lung cancer when you reduce radon levels, even
if you've lived with a radon problem for a long time.
MYTH:
Short-term tests can't be used for making a decision about whether
to fix your home.
FACT:
A
short-term test, followed by a second short-term test* can be used
to decide whether to fix your home. However, the closer the average
of your two short-term tests is to 4 pCi/L, the less certain you can
be about whether your year-round average is above or below that
level. Keep in mind that radon levels below 4 pCi/L still pose some
risk. Radon levels can be reduced in most homes to 2 pCi/L or
below. | 
