Polished and Worked Rocks and Minerals M&W Minerals

Polished and Worked Rocks and Minerals Gallery

This gallery includes any minerals or stones which have been worked in some way and are no longer in their original, natural state. This includes polished stone such as slabs, spheres, carvings, spheres, cut gemstones and cabochons. Arrowheads and other similarly worked stone are included. Manmade and sythentic crystals are also included.

Stones are in alphabetical order by first letter only.

click on the title link or photo to proceed to a specimen's page

A

5267 Shadow Agate

Chihuahua, Mexico
Ex. Robert Gannon
8.2 x 8 x 3.3 cm
$75

4898 Amblygonite Faceted Gemstone

Itinga, Minas Gerais, Brazil
LiAl(PO₄)F
8 x 5 x 2 mm
approximately 4 ct
$75

3687 Carved Aquamarine

Carved in China
2.9 x 1.5 x 0.5 cm
3.3 g
$100

3598 Agate

Agate Creek, Etheridge Shire, Queensland, Australia
4.8 x 3.9 x 1.5 cm
$45

3542 Agate

Chihuahua, Mexico
7.4 x 3.8 x 3.1 cm
$40

1328 Three Banded Agates

Chihuahua, Mexico
3.8x2.6x1.6 and 3.3x2.5x1.1 and 3.3x3.0x1.6 cm
$15

648 Lake Superior Agate

Brockway Mountain, Keweenaw County, Michigan, USA
9.8x4.2x7.2 x 10.1x4.1x6.2 x cm
SOLD

483 Agate

Sidi Rahhal, El Kelaa des Sraghna Province, Marrakech-Tensift-El Haouz Region, Morocco
15.5 x 7 x 6.1 cm
$75

C

5324 Copper, Cuprite Tsumeb, Namibia Ex. Steve Pullman 5.1 x 2.3 x 1.1 cm $25	5235 Lime Chrysoprase Australia Ex. Vivian Randall 7.7 x 4.9 x 4.8 cm $75	4928 Cotham Marble (Cotham Stone, Landscape Marble) - Stromatolitic Limestone (Fossil Algae) Cotham formation, Penarth group, Triassic period, southwestern England near Bristol 17.6 x 6.2 x 0.5 cm $50
3871 Polished Chrysoprase Location Unknown 13.2 x 6.3 x 3.5 cm $35	2929 Copper Included in Calumet and Hecla Conglomerate Cabochon Calumet and Hecla Conglomerate, Houghton Co., Michigan Ex. A. E. Seaman Museum 3.5 x 1.9 x 0.5 cm $30

D

5987 Yellow Datolite Mesnard Mine (Quincy No. 8 shaft), Quincy Mine, Houghton Co., Michigan 3.9 x 2.7 x 2.2 cm SOLD	4480 Polished Datolite Nodule Clark Mine, Copper Harbor, Keweenaw County, Michigan Ex. A. E. Seaman Musuem 2 x 1.8 x 1 cm $50	3826 Polished Datolite Nodule Cape Mine, Keweenaw Co., Michigan 2.7 x 2.2 x 1.7 cm and 2.4 x 2.2 x 1 cm $125
3819 Yellow, Orange and White Datolite with Native Copper Mesnard Mine (Quincy No. 8 shaft), Quincy Mine, Houghton Co., Michigan 7.5 x 5.2 x 2.2 cm SOLD	3665 Datolite Lake Mine, Ontonagon Co., Michigan 4.7 x 4.2 x 0.7 cm $40	2932 Datolite with Epidote Houghton Co., Michigan 5.2 x 2.3 x 2.2 cm $35
2925 Datolite, Copper, Microcline, and Epidote Butler lode, Caledonia Mine, Ontonagon Co., Michigan, USA 4.7 x 2 x 2.5 cm $50	2423 Datolite Cape Mine, Mosquito District, Copper Harbor, Keweenaw Co., Michigan, USA Ex. Seaman Mineral Musueum 3.4 x 3.1 x 1.1 and 3.3 x 3.1 x 1.3 $175	1521 Datolite Delaware Mine, Keweenaw County, Michigan, USA 7 x 5.1 x 2.1 cm $75
1471 Datolite Clark Mine, Copper Harbor, Keweenaw County, Michigan, USA 6.5 x 5.2 x 3 cm $50	1089 Datolite Qunicy Mine, Quincy Hill, Houghton County, Michigan, USA 4.2x3.6x1.1 x 4.0x3.7x1.1 x cm SOLD	1085 Datolite in Basalt Flint Steel Mine, Ontonagon County, Michigan, USA 6.2 x 3 x 1 cm $45
1081 Datolite Flint Steel Mine, Ontonagon County, Michigan, USA 3.6 x 2.5 x 0.8 cm $20	1071 Datolite with Epidote Flint Steel Mine, Ontonagon County, Michigan, USA 3.6 x 2.4 x 1.1 cm $35	1063 Datolite Lake Mine, Mass City, Ontonagon County, Michigan, USA 5.2x4.0x1.6 x 4.4x4.2x1.3 x cm $70
850 Datolite in Basalt with Microcline Flint Steel Mine, Ontonagon County, Michigan, USA 4.7 x 4.2 x 0.7 cm $30	839 Datolite Lake Mine, Mass City, Ontonagon County, Michigan, USA 4.3 x 3.8 x 0.9 cm $35	638 Olive Datolite Flint Steel Mine, Ontonagon County, Michigan, USA 6.4 x 5.3 x 3.5 cm $45

E

5187 Enstatite variety: Hypersthene (Ferrian)

Mangabal I intrusion, Sanclerlandia, Goias, Brazil
4 x 3.6 x 0.8 cm
SOLD

J

4547 Rainbow Jasper with sections of Bloodstone aka Power 3

Mumbai District (Bombay District), Maharashtra, India
Polished by Mike Manning
8.3 x 6.6 x 2.3 cm
$25

M

5914 Marcasite and Botryoidal Sphalerite

Black Jack Mine, Galena, Jo Daviess Co., Missouri
circa 1960
15.2 x 9.5 x 4.8 cm
$50

P

5202 Pectolite

Ash Creek, Mendocino Co., California
Collected by William Nisson, prior to 1965, Ex. California Academy of Sciences, Ex. Steve Pullman
12.8 x 10.1 x 1.6 and 9.8 x 4.4 x 3.4
SOLD

4104 Polished Petrified Wood (Chalcedony / Quartz)

Blue Forest, Eden Valley, Sweetwater Co., Wyoming
Pre 1975
10.4 x 7.3 x 1.1 cm
$25

R

820 Rhodonite Cabochon

Brazil
3.7 x 2.7 x 0.4 cm
$15

S

4484 Silver, Dolomite, Skutterudite variety: Smaltite, Erthyrite, possible Cobaltite, minor Chalcopyrite

Nipissing 407 Mine, Coleman Twp., Cobalt area, Cobalt-Gowganda region, Timiskaming Dist., Ontario, Canada
9.3 x 6.4 x 4.3 cm
$100

T

5315 Titanite (Sphene) Cut Gemstone - Green with Orange Flashes Madagascar Ex. Vivian Randall 7.5 x 6 x 3 mm 1.52 ct. $275	5199 Turquoise Location Unknown 5.7 x 4.4 x 5 cm $75	5172 Polished Turquoise Harts Range, Northern Territory, Australia Ex. Vivian Randall, Ex. Rocksmiths, purchased at the Dearborn, Michigan show, May, 1992. 7 x 4.2 x 2.7 cm $75
4560 Tennessee Pudding Stone Eastern Tennessee 9.3 x 7.9 x 2.8 cm $35	3655 Rubellite Tourmaline Minas Gerais, Brazil 18 x 15 x 5 mm 6.40 ct $125