A mineraloid is a mineral-like substance that does not demonstrate crystallinity.
Mineraloids ... Pearl, considered by some to be a mineral because of the
presence of calcium carbonate crystals with...
Coal is not considered a mineral because it does not have a solid, uniform crystal
structure, meaning it doesn't fit the primary definition of a mineral. Coal is ...
If something is to be classified as a mineral, it have to fulfill the following criteria; 1
. Naturally occuring (i.e. it has to form by natural processes) 2. Stable at room ...
What's the deal with coal? ... an organic sedimentary rock, but rocks are
combinations of minerals, and minerals are inorganic. Coal is made of
decomposed plants, which are organic. ... And anyway, if coal is not a rock, what
should we call it?
Dec 1, 2003 ... Re: If coal is not a mineral because it is organic, why is diamond a ... In earth
materials, it is the "mineraloids," things that look and behave like ...
To be considered a mineral it must have been formed by natural geologic
processes. ... This classifies it as an organic compound and so is not a mineral.
Coal on the other hand also comes from plants (organic) and is generally
considered a ...
Oct 12, 2015 ... Coal, bitumen, and shale are all made of organic matter. ... All coal will contain a
small fraction of mineral matter and most if not all shale will contain a fraction of
organic matter. .... Is referring to people as "it" considered rude?
A natural snowflake would be considered to be a mineral because it forms
naturally ... Water is not a mineral; however, it freezes into ice, which is a mineral.
... Biggest Misconception: Lots of people think that diamonds form from coal. Not
Mar 2, 2013 ... As a geologist … a scientist (and certainly not a lawyer), we know the answer is, “
No”. ... from the Marcellus Shale and the shale itself are legally considered a
mineral. ... Coal can be an economically mineable “mineral”.
Traditionally and officially, native mercury is considered a mineral, even though
the metal ... The substances that make up coal, for instance, are different kinds of