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This section includes lapidary rough for cutting. Many of these names are varietal and do not indicate the actual mineralogical composition of the material. Please see our cabochons section for finished cabs and free-form pieces.
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.
Abbreviations:
Avg. - averages / average
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, "daylight")
Cab, cabs - Cabochon(s)
Amazonite (2 pcs) and Bustamite / Hyalophane / Fluorapatite / Diopside (1 pc) - Franklin, NJ. A 3-pc assortment of skarn rocks. The amazonite is bluish-green in daylight and FL a pale bluish-white SW. The bustamite is pink in daylight and NF, but there are grains of orange-FL (SW) fluorapatite in it. The hyalophane is dull gray in WL / FL deep magenta in SW.
Should be able to get at least 1 good cab out of each (probably more) after you slab these. These are rocks we intended to make into cabs but didn't have time at the moment.
Material photographed DRY.
Size: avg. roughly 2 1/2" across.
Ship. wt. 4.1 lbs.
#L572 ... $14.00 for the lot
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
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 (+). 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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