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 Marra Mamba and other Rocks for Lapidary Applications  /  Gemstone Slabbing & Cabbing Rough Rock

Images are hyperlinked.....click mineral to enlarge

Satisfaction is guaranteed.  If you are unhappy with any order, return it prior to cutting the material, and you will receive a refund for the material with no questions asked.
   

Marra Mamba Crocidolite Slabbing Rough

Witenoom, Hamersley Range,
West
Australia


This material is extremely rare and cannot be replaced as it was mined out many years ago.  Normally one cabochon recovers the cost of each piece of rough purchased.

This is red and/or blue and/or gold multicolored tigereye sold as rough chunks available weighing mostly from 0.5 lb. to 2 lbs

Most pieces in grade 1 are more likely than not to  have 3 colors in the same specimen.  If a piece of this material has only 2 colors, it will have some other specific feature that placed it into Grate 1. It is impossible to know exactly what colors you will have until the specimen is sliced.  Pieces in this grade tend to have more compactness to the  individual crocidolite fibers.  Once altered, this material cannot be returned for a refund.

 Grade 1

$ 450 / lb
when you order a specific color, i.e., blue, red, blue and gold, red and gold, etc.

$ 200 / lb

when you order at least 2 lbs. and do not ask for specific colors

I will e-mail jpegs of several combinations for you to select from and totaling the weight you wish to purchase; you will get multiple color combinations




 










Marra Mamba Crocidolite Slabbing Rough

Witenoom, Hamersley Range,
West
Australia

This material is extremely rare and cannot be replaced as it was mined out many years ago.  Normally one cabochon recovers the cost of each piece of rough purchased.


This is red and/or blue and/or gold multicolored tigereye sold as rough chunks available weighing mostly from 0.5 lb. to 2 lbs

Many pieces in this lot have at  least 2 colors but could have all 3 colors in the same specimen.  It is difficult to know exactly what colors you will have until the specimen is sliced.  Once altered, this material cannot be returned for a refund.


 Grade 2

$ 75 / lb

Please let me know how many pounds you wish to purchase, and I will e-mail jpegs of several specimens for you  to select from
 

 
Brown Crocidolite

Crocidolite in matrix; sometimes called picture tigereye; this is a more recently mined material than the tigereye above

Witenoom, Hamersley Range, West Australia

Rough chunks available:

Under 1 lb., $ 5 / lb.
pieces 1 - 2 lbs., $ 20 / lb.
over 2 lbs., $ 40 / lb.)

This crocidolite is very dense, i.e., the crocidolite fibers  are extremely thin and  are nearly impossible to distinguish from adjacent strands; both the crocidolite and the matrix will  take a slick polish. Two slices of the material are show here.  The patterns seen are typical for this material; this crocidolite is made special due to the hematite dots, lines, or other patterns which of pure hematite; as seen here the crocidolite  may occasionally have red patches in the mainly gold fibers.







Gold Crocidolite

Griqualand, Koega, Namibia

Sizes available:
Under 2 lbs. @ $ 25 / lb.
Over 2 lbs. @ $ 50 / lb.

These are golden chunks of dense cutting material for slabbing and/ or cabochons

If you are interested in rough, I will send jpeg's of several pieces and you can pick the one you would like purchase.





Blue Crocidolite

Griqualand, Koega, Namibia

Sizes available:

most pieces are over 5 lbs.
 
$ 55 / lb

Blue chunks of cutting material for cutting tigereye slices and/or producing cabochons


If you are interested in rough, I will send jpeg's of several pieces and you can pick the one you would like to purchase.

This material arrived here in Lake Charles wrapped in newspapers dated in the 1950's






Lapis Lazuli
with some calcite matrix

Afganistan


Free sample with any order








Lapis Lazuli
gem grade

Afganistan


5mm thick slices of material, sold by the gram; these slices have about 2-4 square inches of surface area each

$ 100 each







Piemontite  with Cyprine

Copper Hill,  near Taos, New Mexico

Sizes available: 
Small pieces around 5 cm , $ 40
Larger pieces over 5 cm, $ 80

Piemontite (red) and Cuprine (green) on and throughout specimens mixed with a white and
gray matrix; this material is very hard and
can be cut and polished into gemstones



 


slice with longitudinal vascular bundles

Petrified Palmwood, Louisiana


Solid material containing  preserved vascular bundles in a contrasting color from the matrix; material usually contains no voids or holes; as many as 75 colors have been identified in Louisiana Palm;  polishes to a mirror finish

Available in chunks up to 10 pounds, or slices

Chunks:  $ 20 / lb   

Slices are excellent for cabochons or channel inlay giving the pattern of bird feathers

5 mm thick slices: $ 6 for  1 sq. in.
 
 7 mm thick slices:  $ 10 for 1 sq. in.

If available, slices containing the color black are priced at the usual rate x 5


slice with vascular bundles in cross section
   

Cabbing Grade Rutilated Quartz
Minas Gerais, Brazil

Rough is clear, translucent, or included; color of the rutiles can be gold, silver, copper or black

Graded by clarity of the rutiles

grade 1: $ 0.20 / gm
grade 2: $ 0.15 / gm
grade 3: $ 0.10 / gm

For facet grade rutilated quartz go to the faceting catalog



 

 Cabbing Grade Smoky Rutilated Quartz
Minas Gerais, Brazil

Specify if you prefer light, medium or dark smoky or a mixture of colors; color of rutiles is usually silver, gold,  black
 
priced at $ 0. 25 / gm









Fancy Jasper

India

Several sliced specimens are shown here.  It is a cousin of blood stone with the red dots of iron oxide. 

Although called a "jasper" it is really a extremely hard chalcedony which takes a mirror polish.  Pieces usually range from 1 to 5 lbs.


$ 45 / lb
 
 


Bloodstone

India

A green chalcedony with red dots composed of iron oxide and other minerals

The highest grade of bloodstone has red dots on a dark green background with no other colors or patterns present.

top grade: $ 50 / lb 

regular grade (as shown here):

$ 25 / lb
 






Chrysoprase

Candala Mine, Marlborough District, Queensland, Australia

A fine green chalcedony

Most pieces range from 1 - 4 lbs. each

Priced at $ 55 / lb

Photographs show the range of colors available; some contain color variations, with or without black dendritic inclusions, and/or translucent or white areas

Several cabochons are shown cut from this material.  The actual color is darker than shown.  Cabochons were cut from the rough rock shown.


The photo to the left shows a close-up of some of these characteristics with the color of the chrysoprase in this piece going toward a citron color on the left side with clear areas and some inclusions.


Citron chrysoprase is also available where the color variations are from green to lime greens

Pieces range from 3 - 7 lbs. each

Priced at $ 45 / lb

 


Malachite Rough

Congo

This is an old stock of material which is very dense and dedicated banded.  I purchased this material  about 40 years ago. 

Most pieces  range from 1/2 lb to 2 lbs.

Priced at $ 45 / lb



Mookite Slice

Australia

A slice is shown here showing the three typical colors: red, white and yellow.

My current stock has red as the primary color.  It seems to be denser than material of the past

Pieces range from 5 - 15 lbs.

$ 20 / lb






Bluelace Agate

Namibia

This rock occurs in seams about 1 - 1 1/2" thick.  The color patterns are usually white or blue wavy patterns through a pale blue matrix.

Pieces range from  1 - 4 lbs.

$ 10 / lb











Crazylace Agate

Mexico

This is material was purchased over 30 years ago when the best of this material was being mined.

Two slices are shown here showing some of the possibilities or pattern and color.  Virtually any color you can imagine is found in Crazylace Agate.  You will only know the color or pattern after you slice the rock open.  I have spent many days cutting this material looking for yellow and/or red --- and finding it!

Pieces are therefore sold at random.

Rough pieces range in size from 1 - 8 lbs.

$ 25 / lb

 Assortment of slices

$ 30 / lb






Green Moss Agate

India

Delicate strands of "moss" is a translucent chalcedony background.  Some pieces are more translucent than others.

Pieces range in size from 1 - 4 lbs.

$ 10 / lb







Parrotwing Chrysocolla

Mexico

This is the good hard chrysocolla which will polish to a high gloss every time.  Colors are mainly blues and greens, but can trend to red and brown as seen here.

Sold only as slices cut about 6 mm thick including at least 2 square inches of good working material

$ 40 per slice







Nephrite

 slices and chunks

Nephrite scrap as received from the cutting houses in Germany over 20 years ago.  Make cutting nephrite cabs and larger inlays easy.  This material is larger than what is sold in the inlay catalog

Most pieces have 1 dimension over 1 inch.

$ 20 / lb








Botswana Agate

Botswana


One tumbled stone and two sliced sections are shown of this remarkable material with consistent banding.  The most typical colors are pink to gray and white.  I have found other colors also.

Available as broken nodules or sealed nodules where you have no idea what will be inside.  Most pieces are 1 - 3" in size.

Broken nodules, $ 8 / lb

Sealed nodules, $ 12 / lb










Rainforest Jasper

Australia

Has the appearance of  a continuum of thunderegg structures with basic colors of brown and green with quartz inclusions

Inquire about the size of pieces currently available

$ 65 / lb










Dendritic Agate

Australia

Similar to Montana Agate which occurs in seams; contains delicate patterns usually in back in a clear to white quartz background.  Occasionally will have brown inclusions also.  Most pieces have a maximum thickness of 1 inch (2.5 cm)

Pieces range from 1/2 to 2 lbs each

Priced at: $ 10 / lb  



 




Hickoryite

Mexico


An old favorite with banding patterns with the basic color of butterscotch with reddish-violet, white and / or gray streaks

Priced at $ 5 / lb


 

MS Book and Mineral Company

Select Mineral Books

Index to Rocks, Minerals, & Mineral Books 

Faceting Rough

Mineralogy Book Catalog

Rock, Gem, and Mineral Book Catalog

Place an Order