April 28, 2019

Test Results :: Green Cave


Effetre Green Cave (EFF856) is a gorgeous, medium-dark green glass that some people seem to have been able to make turn blue with selective reheating. I haven't experimented much with that, but it's clear that nothing I did while making these test beads evoked blueness from it.


Reducing Green Cave seemed to make it a little darker. It's not very clear if this was because of the reduction flame or if this is a striking colour - I'd need to experiment with it a bit more before I could be sure.


Here are, side by side, the two different tonalities I have of Green Cave. I prefer the one on the left, but honestly I love both of them. It's so rare to have a dark green that doesn't do nasty things to Ivory, and I am going to enjoy every last crumb of it.


Green Cave reacts like Ivory when silver is added to it, which makes me wonder what silvered Green Cave stringer would be like. In the bead on the left you can see how the silver crusted up and looks misty and blue in places. When the silver is reduced and encased, it's less attractive, showing patches of brownish green and losing any lustre it had before the reduction/encasement.


Like Ivory, Green Cave makes a really interesting base colour for silver glass. My reduction frit got all kinds of interesting borders and fading, and I got dark outlines around my TerraNova2 frit and lots of initial, interesting colour. Like Ivory, Green Cave is very soft glass and the TerraNova2 frit migrated towards the centre of the bead as I was heating and shaping it.


Tuxedo makes Green Cave separate into lighter and darker versions of itself, both  when used on top of and underneath it.

Copper Green separates on top of Green Cave and develops a dark outline. When the Green Cave is on top of Copper Green, it also separates and gets a dark outline.

Opal Yellow gets a dark border with Green Cave, but only when the Opal Yellow is on top.

Ivory spreads out on top of Green Cave and the Green Cave separates underneath it.On top of Ivory, Green Cave separates but doesn't spread at all. If anything, the Green Cave lines look narrower on top of Ivory than on top of the other colours I tested it with.

Here are some other beads that include Green Cave.


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