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lustrous and GEMMY the crystal is
From the "Alpine-type" collection of my father
It's incredibly rare to find good matrix specimens of Betrandite
This particular specimen
Though lustrous and gemmy
Copper ("Spinel"-twins and crystals) Vivianite lustrous and GEMMY the crystalThis beautiful specimen of Native Copper features a pleasing combination of defined "Spinel" twins and well formed crystals intergrown to create a display quality miniature. The piece is highlighted at the top by a wonderful dodecahedral crystal of Copper with both smooth well formed positive faces and skeletal or "hoppered" negative faces sitting atop an elongated group of "Spinel" twins which branch out along the length of the specimen. Each of the
