Rock Tumbler Gem Refill Kit New Mexico White Chalcedony Rough 8 oz

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  • Model: 74r6kqg8
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Description
In general, chalcedony forms by filling cavities in rocks. Such cavities may form as gas bubbles in a lava flow; irregular vugs or open space within a solid rock; or horizontal cavities along bedding planes, that result from solution of the preexisting rock, faulting or movement within the rock, or other geologic processesChalcedony is best described as a dense, semitransparent or translucent variety of SiO2 consisting of a cryptocrystalline intergrowth of mostly quartz and lesser amounts of moganite, another form of SiO2 that has a different crystal form. Chalcedony breaks with a conchoidal fracture and commonly displays a waxy, vitreous, or silky luster. Minute changes in amount of impurities in the silica-rich solutions can result in faint color banding or layering in the Chalcedony.See images above for random examples.This bag weighs 8 oz. and will contain an average of 9-15 pieces. Great refill for any beginner-novice tumblers. NOTE* This Bag DOES Not contain Grits, Findings, jewelry parts,or adhesives that may have been included with the original tumbler accessories. WARNING-Choking Hazard! Use Tumbling instructions from the tumbler manufacturer.
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  • White Chalcedony Rough From New Mexico .Great Refill for the Beginner hobbyist, or advanced Tumbler
  • Your stones will be typical of what is shown. Pieces shown are actual random examples of this Parcel & Gem's colorization.Long Time Favorite of Hobbyists, cutters-getting scarcer this nice!
  • Takes an Exceptional Polish, each stone ranges roughly from 1/2" dia to 1 1/2" dia.
  • Each Bag Averages 9-15 Chunky, Pieces-Many showing typical botryoidal texture on upper surfaces! You will Be Very Happy!
  • Displays a waxy, vitreous, or silky luster. Mostly white in color but browns,reds and grays present.


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