"Blue goldstone" refers to artificial material consisting of dark bluish glass having small inclusions of elemental copper and/or cobalt (reportedly).
--------------------------------
Info. at:
en.wikipedia.org/wiki/Goldstone_(glass)
Tags: blue goldstone manmade artificial glass copper cobalt inclusions
"Blue goldstone" refers to artificial material consisting of dark bluish glass having small inclusions of elemental copper and/or cobalt (reportedly).
--------------------------------
Info. at:
en.wikipedia.org/wiki/Goldstone_(glass)
Tags: blue goldstone manmade artificial glass copper cobalt inclusions
"Blue goldstone" refers to artificial material consisting of dark bluish glass having small inclusions of elemental copper and/or cobalt (reportedly).
--------------------------------
Info. at:
en.wikipedia.org/wiki/Goldstone_(glass)
Tags: blue goldstone manmade artificial glass copper cobalt inclusions
"Blue goldstone" refers to artificial material consisting of dark bluish glass having small inclusions of elemental copper and/or cobalt (reportedly).
--------------------------------
Info. at:
en.wikipedia.org/wiki/Goldstone_(glass)
Tags: blue goldstone manmade artificial glass copper cobalt inclusions
"Blue goldstone" refers to artificial material consisting of dark bluish glass having small inclusions of elemental copper and/or cobalt (reportedly).
--------------------------------
Info. at:
en.wikipedia.org/wiki/Goldstone_(glass)
Tags: blue goldstone manmade artificial glass copper cobalt inclusions