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May 1, 2020

Test Results :: Black Marble

Effetre Black Marble (EFF774) is a streaky, dark brown-black colour that has the same consistency as Effetre Dark Ivory. Also like Dark Ivory, it does a crazy reticulation thing that looks like little cells of different shades of brown and ivory in between veins of darker colour. It's in this glass' reactions to other colours where some big differences lie.

On a bit of a side note, this colour does not look like marble, and it is also not really black. It's more of a 'rich farmland soil' kind of dark, streaky brown.

Black Marble doesn't really change much when it is reduced. It's possible that the bead on the right got a bit darker, but it's hard to be sure since this colour has so much variation anyway.

Here I did Black Marble as stringer (wrapped about three times) on the left side of the bead and then the same amount of Silvered Black Marble on the right side. The silvered stringer is darker overall (my best guess is that the silver reacted with whatever ivory-like glass forms the lighter streaks?) and has tiny flecks of silver in it that make me happy. I made the Silvered Black Marble the same way I make Silvered Dark Ivory.

I sort of expected this colour to behave the same way with silver as light and dark ivory glasses do, but I was wrong. The silver leaf on the surface of this colour is a more interesting light golden hue. When I reduced and encased the silver, the golden-ness went away and it blushed blue in places which I have not had it do with ivory glasses.

Silver glass is very beautiful on top of Black Marble, which seems to make a decent base colour for both reducing and striking colors.

Black Marble has a much milder version of the same reaction profile as Ivory - which is to say that it does a gentle dark line reaction with Copper Green, and it is also gently reactive with Opal Yellow. Because both colours are spready, you can see where Ivory and Black Marble were used together that there is some interesting bleed at the edges of the stringer dots and lines.

My most important takeaway from these beads is that Black Marble is really awesome as stringer.

Here are some other beads that include Black Marble:

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