Reference results for Mineraloid from Search.com.

Mineraloid - Wikipedia, the free encyclopedia

https://en.wikipedia.org/wiki/Mineraloid

A mineraloid is a mineral-like substance that does not demonstrate crystallinity. Mineraloids possess chemical compositions that vary beyond the generally accepted ...

Mineraloid | Define Mineraloid at Dictionary.com

dictionary.reference.com/browse/mineraloid

mineraloid [min-er-uh-loid] /ˈmɪn ər əˌlɔɪd/ Spell Syllables Word Origin noun 1. a mineral substance that does not have a definite chemical formula or crystal ...

What is a Mineraloid? Definition, photos and descriptions

geology.com/minerals/mineraloids

What Are Mineraloids? A mineraloid is a naturally occurring, inorganic solid that does not exhibit crystallinity. It may have the outward appearance of a mineral, but ...

Mineraloid | Definition of Mineraloid by Merriam-Webster

www.merriam-webster.com/dictionary/mineraloid

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Mineral Gallery - the Mineraloids Class

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The members of the (unofficial) Mineraloids Class are often mistaken for minerals and are sometimes classified as minerals, but lack the necessary crystalline ...

Mineraloid | Article about mineraloid by The Free Dictionary

encyclopedia2.thefreedictionary.com/Mineraloid

mineraloid [′min·rə‚lȯid] (mineralogy) A naturally occurring, inorganic material that is amorphous and is therefore not considered to be a mineral.

mineraloid - Free definitions by Babylon

www.babylon.com/definition/mineraloid/English

A mineraloid is a mineral-like substance that does not demonstrate crystallinity. Mineraloids possess chemical compositions that vary beyond the generally accepted ...

Opal - Wikipedia, the free encyclopedia

https://en.wikipedia.org/wiki/Opal

Precious opal shows a variable interplay of internal colors, and though it is a mineraloid, it has an internal structure. At microscopic scales, precious opal is ...

Obsidian - Mineraloids

geology.about.com/od/minerals/ig/Mineraloids/obsidian-mineraloid.htm

Obsidian is one of the mineraloids. ... Obsidian is a volcanic glass that contains few or no crystals. It differs from lechatelierite in having all the elements of ...

Gallery of Mineraloids - Geology on About.com

geology.about.com/od/minerals/ig/Mineraloids

"Mineraloid" is a name given to a handful of substances that don't quite qualify as true minerals because they never form crystals (that is, they are amorphous) and ...