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CR Scientific

Cabbing Rough and Slabs

Many of the names are varietal and do not indicate the actual mineralogical composition of the material.

Looking for Finished Cabs? - Please see our cabochons section

If there's anything you're looking for, please contact us. We have some slabs of interesting Franklin / Ogdensburg (NJ) material not shown on here.

Lapidary slabs are typically photographed wet, because the rough surface does not show the color well. The wet appearance simulates what it will look like with a good polish.



Assorted pieces - Lapidary bulk assortment including Quartz ("rock crystal"), Agate, Unakite, Obsidian, Jasper, Crazy Lace (?), and a couple of small pieces of Rhodochrosite. Almost 17 lbs of cabbing / slabbing / tumbling rough in all!

Some of the pieces (e.g., the crazy lace) are a bit oddly-shaped and would be expected to yield smaller cabs.  You should be able to get at least one usable  cutting out of each piece in this lot, with some pieces yielding considerably more. 

Recommended shipping method: USPS Flat Rate box ($10.75, USA only).  Nothing else will fit in the box.  If you want to order anything else in the same order, please contact us and we can send you a Paypal invoice with all shipping calculated.

Pieces were photographed WET. Each picture shows different pieces. Lot includes contents of both photos (except for tray).
#L575 ... $30.00 for the lot






Assorted - pieces and slabs - several thick chunks should yield a few slabs and/or cabochons. The largest chunk is Petrified Wood (upper LH corner). The green material in the center has nice coloration. There is a chunk of what appears to be sodalite (upper right hand corner) here. Also contains a few slab odds and ends.  

Some of the pieces are a bit oddly-shaped and might give only one or two decent cabs;  however, you should be able to get something out of just about every piece in this lot.  Other pieces should yield more cabs.

Lot was photographed WET. Total weight is a little over 14 lbs. This lot will ship in a USPS Priority Flat Rate box. Nothing else will fit in the box.
We don't have individual measurements for the pieces. Typical size about 3" across largest dimension. They're sealed in the box and ready to ship.
#L574 .... $30.00 for the lot.



Click for larger image
Assorted - slab odds & ends - includes a nice chunk of Tiger Eye. Also note the triangular slab of green and white stone, quite nice as well. Lot should yield several nice cabochons; the smaller pieces when cut will be good for tumbled stone. Lot was photographed WET. Tray not included.
There are five or six slabs in here which should together be worth the price of the whole lot.
Ship. wt. 7 lbs.
#L573 .... $20.00 for the lot




agate slab for sale
Kona Dolomite
- Upper Peninsula, Michigan. Large slab, about 6 inches long x 3 inches wide x 1/4 inch thick. Unpolished. It was in a collection from at least 20 years ago. You should be able to make several nice & large cabs out of this nice slab.
Thanks to Dan from Michigan, who called and identified this material.

Slab is shown WET.

#L570.... $7.50



L560. Brazil agate slab, unpolished
Brazilian Agate
- Slab, unpolished, for cabbing, or for polishing and keeping as a display piece. This slab is UNDYED, all natural color. Slab was photographed WET to simulate what it will look like when polished. Thickness is 3/8 inch (+). Slab size approx. 4" x 7".
Ship wt. 1 lb.
#L560
... $5.00




Serpentine
- Lake Valhalla, Montville, New Jersey. Closed locality. From an old collection. Three pcs, net wt. 1 lb 3 oz. Soft, cuts easily with carbide or diamond. Should be able to get at least one good cab out of each piece; the one on the right should yield 3 or 4 with little difficulty.
Material photographed DRY.
Color ranges from dull yellowish to yellowish-green.
Size: Avg. roughly 2 1/4" across.
Ship. wt. 1.3 lbs
#L571....$14.00 for the lot

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Abbreviations:

Avg. - averages / average

Cab, cabs -
Cabochon(s)

FL, Fl, fl -
Fluorescent /
fluoresces / fluorescence

NF - Non-Fluorescent

SW - Short-Wave ultraviolet light
(254 nm)

LW - Long-Wave ultraviolet light
(ca. 350 nm)

PH - Phosphorescent

WL - White Light (normal light, sunlight,  "daylight")