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March eNews Mini-Quiz

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This topic contains 6 replies, has 7 voices, and was last updated by Profile photo of makaturquoise makaturquoise 1 year, 6 months ago.

Viewing 7 posts - 1 through 7 (of 7 total)
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  • #194103
    Profile photo of editor
    editor
    Keymaster

    Synthetic opals are distinguished by (a) hardness, (b) mosaic pattern, (c) layering, and (d) play of color. Put your answers here!

    #194105
    Profile photo of vsteketee
    vsteketee
    Participant

    {B} Mosaic pattern

    #194106
    Profile photo of harsono
    harsono
    Participant

    (B) mosaic pattern

    #194107
    Profile photo of kertch
    kertch
    Participant

    Mosaic pattern

    #194109
    Profile photo of hugemac1999
    hugemac1999
    Participant

    mosaic pattern. Inside mosaic there is a cellular, scale-like, snake skin, or chicken wire structure

    #194129
    Profile photo of evicza
    evicza
    Participant

    a)hardness. The synthetic opals contain 70-75% silica therefore they have increased durability and structural stabilty than the natural opals. They do not contain water either therefore they are more moisture and temperature resistent.

    #194132
    Profile photo of makaturquoise
    makaturquoise
    Participant

    Mosaic pattern

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