51.6cts Rare Graphic pegmatite rock intergrowths quartz /feldspar TBG-3965

238

存貨單位: TBG-3965
尺寸（毫米）: 33.300 x 32.900 x 5.800mm
重量 (cts): 51.600
Treatment: No Treatment
類型: Cabochon
Shape: Round
顏色

Graphic pegmatite rock intergrowths of quartz and feldspar

SOUTH DAKOTA , USA

Graphic granite, found predominantly in granitic pegmatite, is a leucocratic granitic rock consisting of an intimate intergrowth of alkali feldspar and quartz with a distinctive texture as ancient cuneiform writing when viewed in certain cross sections.

texture is a graphic intergrowth

two different minerals as a result of their simultaneous crystallization.

存貨單位: TBG-3965
尺寸（毫米）: 33.300 x 32.900 x 5.800 mm
重量 (cts): 51.600
Treatment: No Treatment
類型: Cabochon
Shape: Round
顏色

Graphic pegmatite rock intergrowths of quartz and feldspar

SOUTH DAKOTA , USA

texture is a graphic intergrowth

two different minerals as a result of their simultaneous crystallization.

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