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Museum Specimens
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Lapidary Slabs and Rough Stock

This page has natural cut slabs, rough stock specimens and cut face nodules for lapidary work or artistic projects.
All items are cut but not polished unless specifically stated in the title that it is polished. We are not
offering polishing services for any of these items. We ship Flat Rate Priority mail for all items. Shipping estimates
are based upon weight and size of specimens ordered. We will refund any excess shipping and handling (S&H)
fees paid and we always combine shipping on multiple items ordered. Normally for example a single slab will cost
$9.10 for S&H...however 4 slabs could ship for the same price as a single slab making S&H @2.28 per slab
based upon using a small flat rate box. Please see our
Shipping Page for more information
Item # POFN0816 8775
Polished Face Opal and
Feldspar Nodule from Brazil

$184.80
Here's an excellent Old Stock Polished Face Nodule of Opal and Feldspar
conglomerate we procured from a Brazilian Mineral dealer in 2004. We cut
several slabs (listed below on this page) which we are selling as rough cut
lapidary material. This specimen was flat cut on bottom for display and had the
face cut polished in our shop. There are what appear to be natural fractures in
the face, but the slabs cut from this stone are very stable and solid.
This rare stone has been sold by jewelers as Blue Liberite and Que Sera
Stone. It is mainly sold by opal dealers.

This specimen weighs 61.6 oz or 3.85 lbs (1748g)
and measures 6.3 x 3.6 x 3.3 inches (16.1 x 9.3 x 8.4cm)

This specimen can be a nice large cabinet display or it can be cut into many
more slabs for making lapidary cabochons. This unique stone is made up of a
conglomeration of minerals, primarily Opal and Feldspar. This stone is found
only in Brazil and is a mixture of different types of stone, including Quartz,
Calcite, Kaolinite, Iron oxides, Magnetite, Clinozoisite and Leucozene.
Item # ECPOFS08160521
End Cut Opal & Feldspar Slab from Brazil
$25.00
Weighs 8.8 oz or 0.55 lb (250g)
Measures
5.9 x 3 x up to 0.8 inches (149 x 78 x 21mm)
Shown
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Item # UPOFS08163842
Opal and Feldspar taper cut Slab
from Brazil
$49.65
Weighs 11.6 oz or 0.73 lb (331g)
Measures 6.6 x 3.6 x 0.15 to 0.7 inches
(169 x 92 x 3.9 to 18mm)
Item # VPOFS08163612
Opal and Feldspar Slab from Brazil
$43.25
Weighs 6.12 oz or 0.38 lb (173g)
Measures 6.1 x 3.5 x 0.27 inches
(156 x 89 x 7.2mm)
Item # WPOFS08163662
Opal and Feldspar Slab from Brazil
$53.25
Weighs 7.5 oz or 0.46 lb (213g)
Measures 6.7 x 3.5 x 0.27 inches
(170 x 91 x 7mm)
Item # XPOFS08169972
Opal and Feldspar Slab
from Brazil
$56.00
Weighs 7.9 oz or 0.49 lb
(224g)
Measures 6.4 x 3.8 x 0.29
inches
(164 x 98 x 7.4mm)
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Item # IPRS08160050
Old Stock Indian Paint Rock Slab
from Death Valley
$19.00
This Indian Paint Rock slab comes from Death Valley, California. This location has been closed to collecting since
Death Valley became a National Park and this beautiful material is getting rather scarce. Indian paint rock is a
sedimentary rock. It is a type of jasper/sandstone found in Nevada and California. The interesting patterns and colors
are created by trace amounts of iron and manganese being drawn into the rock by capillary action through minute
cracks in the stone. This Death Valley Indian Paint rock slab is absolutely gorgeous! It has very attractive and unusual
colors (reddish/brown, grey, purplish, tan and black) and has outstanding and artistic patterns (all natural, nobody
painted on this stone). This material is a soft rock (3 to 3.5 Mohs) and polishing results in a satin sheen rather than the
glossy one.

Geologists say it is considered to be a type of jasper, but the grains are so loose, so it has the characteristic of having
a lower hardness similar to dense sandstone. The light color is a sedimentary sandstone, the black is manganese, and
the red is iron.  The hardness varies, depending on where it is scratched.  This was collected from Death Valley, CA
back in the 1970s. This area was declared to be a National Park in 1992 and the area was closed to collecting. The
area has been almost completely hunted out.  Other small deposits have been found, but they are few and far between
and are closely guarded due to the high price of these stones. The term "Indian Paint Rock" is the name given to these
rocks due to the color patterns.  There is no specific geologic name due to the many minerals that make up its
composition. This slab has been in our collection for many years

Weighs 3.92 oz or 0.245 lb (111g) Measures 6.8 x 2.2 x 0.2 inches (173 x 58 x 5mm)
Shown
Wet
Item #ZSLDO08160001
Silver Lace Dendritic Onyx slab from
Calico, California
$20.00
Silver Lace Onyx is a rather scarce stone. This
slab is from the Silver Lace Onyx Mine in the
Calico Mountains, near the town of Calico, in
Southern California. The Silver Lace Onyx Mine
was shut down many years ago. The minerals in
this slab are of excellent quality and the patterns
are visually stunning.  The black color dendrites in
the lacy pattern are real natural silver. This unique
stone from California displays gray, black, and
white in bands with dendrite formations
resembling tiny trees. This slab has been in our
personal collection for many years.
This Slab weighs 3.78 oz or 0.236 lb (107g)
and measures 4.6 x 3.2 x 0.23 inches (119 x 82 x
5.9mm)
Item #AONXSO08160030
Apricot Onyx Slab 2 pc Set
$8.00
Apricot Onyx Slab that was dropped and broke into two pieces. We procured this Onyx in
the Quartsite Arizona from a mineral dealer in 2002.
Weighs total 3.8 oz or 0.23 lb (108g)
This slab measures (2pcs put together) 5.7 x 2.6 x 0.19 inches (144 x 67 x 4.9mm) each
piece individually measures 3.2 x 2.6 inches (81 x 67mm) and 2.5 x 2.6 inches (63 x 67mm)
Item #BONXSO08160030
Brown Onyx Slab
$8.00
Brown Onyx Slab that we procured in Quartsite Arizona from a mineral dealer in 2002.
Weighs 2.3 oz or 0.144 lb (65g) and Measures 3.9 x 2.7 x 0.18 inches (99 x 69 x 1.6mm))
Item #APJSO08160007
Apache Picture Jasper Slab
$16.00
Apache Jasper is also known as Mimbres Valley Desert Picture Jasper.   Mimbres Valley is in
New Mexico. Apache Jasper often depicts an image that looks like the area it was mined from,
that is desert with brush growth.  The bush looking images are sometimes dendrite growths.  A
Native American tribe, the Mimbres, lived in the area where this jasper is mined.  The tribe
disappeared about a thousand years ago.  It is presumed they merged with the Apaches.

Weighs 1.34 oz (38.5g) and Measures 4.2 x 1.1 x 0.24 inches (106 x 29 x 6.2mm))
Item #YLABSO08160040
Labradorite rough Slabs

$8.00
2 piece set of rough cut Labradorite Slabs
these were procured in Delta, Utah in 2005
total weight is 8.26 oz or 0.51 lb (234g)
each piece Measures
(1) 3.8 x 3 x 0.32 inches (97 x 78 x 8.3mm)
(2) 2.7 x 2.3 x 0.35 inches (71 x 59 x 8.9mm)
Item #PURP10163470
Purpurite rough from Kings
Mountain NC

$18.00
Purpurite rough old stock specimen from Kings Mountain, Gaston County North Carolina.
This is from the 2016 Spruce Pine Show. Purpurite is a manganese phosphate mineral.

Weighs 1.9 oz (54.5g) and Measures 1.8 x 1.6 x 0.6 inches (4.5 x 4.2 x 1.6cm)
Item #SONSR12160522
Sonora Sunrise Slab from Milpillas,
Mexico

$46.60
Sonora Sunrise from Milpillas, Mexico. This is a beautiful combination of Cuprite
(red/orange), Chrysocolla (blue/green), and Tenorite (black). These copper
minerals form one the most popular lapidary materials ever found! The mine is
still active, but the zone that produced this rough was totally depleted by 2009.
This slab has been lightly polished on one face, while the reverse face shown
bottom right photo, shows natural cut not polished.

Weighs 4.1 oz (116.5g) and Measures 6 x 1.88 x 0.22 inches (152 x 47 x 5.79mm)