Red Beryl from Wah Wah Mountains, Utah

 

M & W Minerals

Walter R. Kellogg

 

517 294 6709

mwminerals@comcast.net

                           

 

Minerals from Africa and the island of Madagascar

minerals in alphabetical order by first letter only

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


A

6755 Microcline variety: Amazonite, Albite, Smoky Quartz
Mineral Specimen: Microcline variety: Amazonite, Albite, Smoky Quartz from Kashale Village, 20 km S. of Konso, Ethiopia

Kashale Village, 20 km S. of Konso, Ethiopia
7.5 x 6.5 x 4.5 cm
$75

6575 Azurite Psuedomorphing to Malachite with Aragonite
Mineral Specimen: Azurite Psuedomorphing to Malachite with Aragonite from Tsumeb, Namibia

Tsumeb, Namibia
Ex. Norm Woods
11.8 x 9.8 x 8.1 cm
$150

6416 Andradite Garnet variety Demantoid
Mineral Specimen: Andradite Garnet variety Demantoid from Diana Mine, Diego Suarez, Ambandja, Madagascar

Diana Mine, Diego Suarez, Ambandja, Madagascar
4.2 x 3.3 x 2.2 cm
$150

6089 Andradite Garnet on Hematite
Mineral Specimen: Andradite Garnet on Hematite from N'Chwaning II Mine, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa

N'Chwaning II Mine, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa
5.3 x 4.8 x 5 cm
$75

6027 Phantom Amethyst/Smoky Quartz with Included Hematite
Mineral Specimen: Phantom Amethyst/Smoky Quartz with Included Hematite from Goboboseb Mountains, Brandberg Area, Erongo Region, Namibia

Goboboseb Mountains, Brandberg Area, Erongo Region, Namibia
4.1 x 1.2 x 1.3 cm
$125

5071 Phantom Amethyst Scepter on White Quartz with Included Hematite
Mineral Specimen: Phantom Amethyst Scepter on White Quartz with Included Hematite from Goboboseb Mountains, Brandberg Area, Erongo Region, Namibia

Goboboseb Mountains, Brandberg Area, Erongo Region, Namibia
6.9 x 4.5 x 3.7 cm
$75

4141 Double Terminated Amethyst Crystal on Matrix
Mineral Specimen: Double Terminated Amethyst Crystal on Matrix from Goboboseb Mountains, Brandberg Area, Erongo Region, Namibia

Goboboseb Mountains, Brandberg Area, Erongo Region, Namibia
5 x 4.8 x 4.2 cm
Crystal is 3.7 x 1.7 x 2 cm
$100

3991 Azurite and Cerussite
Mineral Specimen: Azurite and Cerussite from Tsumeb, Namibia

Tsumeb, Namibia
Ex. Gunther Pietsch, Ex. A. C. Moretta #655, Ex. A. E. Seaman Museum
3.5 x 3.5 x 1.2 cm
$250

102 Aquamarine
Mineral Specimen: Aquamarine from Erongo Mountain, Erongo Region, Namibia

Erongo Mountain, Erongo Region, Namibia
6.5 x 2.7 x 2.7 cm
$100 Discounted to $75

B

5492 Barite
Mineral Specimen: Barite from Jebel Ouichane, Saganane (Beni Bou Ifrour), Nador, L'oriental Region, Morocco

Jebel Ouichane, Saganane (Beni Bou Ifrour), Nador, L'oriental Region, Morocco
6.4 x 6.6 x 5.7 cm
$250

C

6845 Cerussite with Unidentified Inclusions
Mineral Specimen: Cerussite with Unidentified Inclusions from Tsumeb, Namibia

Tsumeb, Namibia
Ex. Norm Woods
4 x 3 x 1.9 cm
$45

6815 Calcite
Mineral Specimen: Calcite from Tsumeb, Namibia

Tsumeb, Namibia
4.8 x 4.3 x 2.3 cm
$50

6775 Cerussite, Barite, Galena, Manganese Oxides
Mineral Specimen: Cerussite, Barite, Galena, Manganese Oxides from Mibladen, Morocco

Mibladen, Morocco
7.4 x 5.7 x 4.5 cm
$75

6747 Cerussite
Mineral Specimen: Cerussite from Tsumeb, Namibia

Tsumeb, Namibia
Ex. A. E. Seaman Museum
3.8 x 2.8 x 2.1 cm
$50

6664 Calcite with Unidentified Orange crystals (Olmiite?) and White Species
Mineral Specimen: Calcite with Unidentified Orange crystals (Olmiite?) and White Species from Kalahari manganese fields, Northern Cape Province, South Africa

Kalahari manganese fields, Northern Cape Province, South Africa
8 x 5 x 4.1 cm
$45

5512 Charlesite, Hematite, Sturmanite
Mineral Specimen: Charlesite, Hematite, Sturmanite from N'Chwaning II Mine, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa

N'Chwaning II Mine, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa
Ca6(Al,Si)2(SO4)2[B(OH)4](OH,O)12·26H2O
Ex. Steve Pullman
3.3 x 2.6 x 1.7 cm
$75

5324 Copper, Cuprite
Mineral Specimen: Copper, Cuprite from Tsumeb, Namibia

Tsumeb, Namibia
Ex. Steve Pullman
5.1 x 2.3 x 1.1 cm
$25

5176 Twin Calcite Crystals, minor Duftite
Mineral Specimen: Twin Calcite Crystals, minor Duftite from Tsumeb, Namibia

Tsumeb, Namibia
9.1 x 5.5 x 4.1 cm
The largest crystal is 3.2 cm across.
$50

4410 Twinned Calcite
Mineral Specimen: Twinned Calcite from Basalt Quarry, Ambariomiambana, Sambava District, Sava Region, Antsiranana Province, Madagascar

Basalt Quarry, Ambariomiambana, Sambava District, Sava Region, Antsiranana Province, Madagascar
August 2004 Find
12.3 x 9.5 x 6.4 cm
$75

4232 Native Copper
Mineral Specimen: Native Copper from Tsumeb, Namibia

Tsumeb, Namibia
5.5 x 3.5 x 1.8 cm
$25

4204 Cerussite Twin
Mineral Specimen: Cerussite Twin from Tsumeb Mine, Namibia

Tsumeb Mine, Namibia
Ex. Hoisington Collection
4.4 x 1.7 x 2.5 cm
largest XL is 6 mm in thickness
$50

3228 Calcite on Gaudefroyite and Andradite
Mineral Specimen: Calcite on Gaudefroyite and Andradite from Wessels Mine, Hotazel, Kalahari manganese field, Northern Cape Prov., South Africa

Wessels Mine, Hotazel, Kalahari manganese field, Northern Cape Prov., South Africa
7.3 x 5.6 x 3.2 cm
$50

3184 Calcite
Mineral Specimen: Calcite from Tsumeb, Namibia

Tsumeb, Namibia
7.1 x 4.6 x 5 cm
$45

2854 Calcite with Included Hematite
Mineral Specimen: Calcite with Included Hematite from Kalahari manganese fields, Northern Cape Province, South Africa

Kalahari manganese fields, Northern Cape Province, South Africa
6 x 2.1 x 2.1 cm
$50

2791 Carrollite on Calcite
Mineral Specimen: Carrollite on Calcite from Kamoto Mine, Kolwezi, Katanga, Congo

Kamoto Mine, Kolwezi, Katanga, Congo
Cu(Co,Ni)2S4
3.7 x 2.6 x 3.9 cm
Carrollite XL is 6 x 7 x 4
$75

2011 Carrollite, Calcite, Chalcopyrite
Mineral Specimen: Carrollite, Calcite, Chalcopyrite from Kamoya South II Mine, Kamoya, Kambove District, Katanga Copper Crescent, Katanga, Democratic Republic of Congo

Kamoya South II Mine, Kamoya, Kambove District, Katanga Copper Crescent, Katanga, Democratic Republic of Congo
Cu(Co,Ni)2S4
4.6 x 5.2 x 4.5 cm
$50

D

6807 Dioptase on Quartz
Mineral Specimen: Dioptase on Quartz from Kakoveld Plateau, Kunene Region, Namibia

Kakoveld Plateau, Kunene Region, Namibia
7 x 3.6 x 6.1 cm
$75

E

6947 Etrriginite, Gaudefroyite, Barite, Quartz
Mineral Specimen: Etrriginite, Gaudefroyite, Barite, Quartz from N'Chwaning Mines, Northern Cape, South Africa

N'Chwaning Mines, Northern Cape, South Africa
6.5 x 4.7 x 4.2 cm
$100

4836 Etrriginite, Andradite, Manganese Oxide
Mineral Specimen: Etrriginite, Andradite, Manganese Oxide from N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa

N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa
10.3 x 8.6 x 2.6 cm
$150

2404 Ettringite on Calacite
Mineral Specimen: Ettringite on Calacite from Kalahari manganese fields, Northern Cape Province, South Africa

Kalahari manganese fields, Northern Cape Province, South Africa
Ca6Al2(SO4)3(OH)12·26H2O
3.8 x 2.3 x 1.2 cm
$75

1878 Epidote
Mineral Specimen: Epidote from Madagascar

Madagascar
6.7 x 7.2 x 4 cm
$200

F

4046 Fluorite with Hyaline Opal and Muscovite on Quartz
Mineral Specimen: Fluorite with Hyaline Opal and Muscovite on Quartz from Erongo Mountain, Erongo Region, Namibia

Erongo Mountain, Erongo Region, Namibia
Ex. Uli Bahmann
3.9 x 3.6 x 3.2 cm
The largest Fluorite crystal is 3.5 x 0.7 x 0.8 cm
SOLD

H

6666 Hematite Crystals Floater with Olmiite
Mineral Specimen: Hematite Crystals Floater with Olmiite from Kalahari manganese fields, Northern Cape Province, South Africa

Kalahari manganese fields, Northern Cape Province, South Africa
CaMn2+[SiO3(OH)](OH)
7.7 x 3.3 x 2.7 cm
$100

3647 Hematite and Calcite Crystals
Mineral Specimen: Hematite and Calcite Crystals from Wessels Mine, Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa

Wessels Mine, Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa
4.6 x 2.6 x 2.4 cm
$35

3156 Hydroxyapophyllite-(K) on Calcite
Mineral Specimen: Hydroxyapophyllite-(K) on Calcite from Wessels Mine, Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa

Wessels Mine, Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa
5.2 x 2.7 x 2.6 cm
$100

2911 Hematite Crystals and Hematite Included in Calcite
Mineral Specimen: Hematite Crystals and Hematite Included in Calcite from Kalahari manganese fields, Northern Cape Province, South Africa

Kalahari manganese fields, Northern Cape Province, South Africa
6.3 x 5.2 x 2.4 cm
$40

K

6557 Kenotobermorite (labeled as Tobermorite)
Mineral Specimen: Kenotobermorite (labeled as Tobermorite) from The aggregate is one of the largest crystals available.

The aggregate is one of the largest crystals available.
Type Location
[Ca4Si6O15(OH)2·2H2O]·3H2O
Ex. Wolfgang Henkel
4 x 1.1 x 0.7 cm
$150

M

5350 Hollow Malachite Stalactite "Finger"
Mineral Specimen: Hollow Malachite Stalactite "Finger" from Katanga, Dem. Rep. of Congo

Katanga, Dem. Rep. of Congo
5.3 x 3.1 x 1.3 cm
$50

4629 Malachite Pseudomorph after Azurite
Mineral Specimen: Malachite Pseudomorph after Azurite from Tsumeb, Namibia

Tsumeb, Namibia
5.2 x 2.8 x 1.6 cm
$150

P

6239 Prehnite with minor Epidote
Mineral Specimen: Prehnite with minor Epidote from Goboboseb Mountains, Brandberg Area, Erongo Region, Namibia

Goboboseb Mountains, Brandberg Area, Erongo Region, Namibia
6 x 3.7 x 2.8 cm
$200

369 Prehnite, Graphite
Mineral Specimen: Prehnite, Graphite from Merelani Hills (Mererani), Lelatema Mts, Arusha Region, Tanzania

Merelani Hills (Mererani), Lelatema Mts, Arusha Region, Tanzania
2.9 x 2.2 x 1.3 cm
$50 Discounted to $30

Q

6014 Quartz Coated with Hematite
Mineral Specimen: Quartz Coated with Hematite from Tinejdad, Er Rachidia Province (Errachidia Province), Draa-Tafilalet Region, Morocco

Tinejdad, Er Rachidia Province (Errachidia Province), Draa-Tafilalet Region, Morocco
8.8 x 7.7 x 2.7 cm
$50

4307 Double Terminated Tabular Amethyst Crystals with Included Hematite
Mineral Specimen: Double Terminated Tabular Amethyst Crystals with Included Hematite from Goboboseb Mountains, Brandberg Area, Erongo Region, Namibia

Goboboseb Mountains, Brandberg Area, Erongo Region, Namibia
4.2 x 1.5 x 0.7 cm
$45

R

6094 Rhodochrosite, Manganite, Andradite Garnet
Mineral Specimen: Rhodochrosite, Manganite, Andradite Garnet from Kalahari manganese fields, Northern Cape Province, South Africa

Kalahari manganese fields, Northern Cape Province, South Africa
6.1 x 3.4 x 2.7 cm
$100

6062 Rhodochrosite on Manganite
Mineral Specimen: Rhodochrosite on Manganite from N'Chwaning I Mine, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa

N'Chwaning I Mine, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa
5 x 4.6 x 4.7 cm
$100

3436 Rhodochrosite
Mineral Specimen: Rhodochrosite from N'Chwaning II Mine, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa

N'Chwaning II Mine, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa
4.7 x 4 x 3.7 cm
$250

3146 Rhodochrosite
Mineral Specimen: Rhodochrosite from Kalahari manganese fields, Northern Cape Province, South Africa

Kalahari manganese fields, Northern Cape Province, South Africa
7.6 x 5.9 x 1.8 cm
$100

S

6912 Septarian Concretion - Calcite/Aragonite
Mineral Specimen: Septarian Concretion - Calcite/Aragonite from Jerada Province, Oriental Region, Morocco

Jerada Province, Oriental Region, Morocco
4.5 x 4.4 x 0.5 and 4.7 x 4.5 x 0.7 cm
$35

6640 Smoky Quartz, Schorl Tourmaline, Fluorescent Hyaline Opal
Mineral Specimen: Smoky Quartz, Schorl Tourmaline, Fluorescent Hyaline Opal from Erongo Mountain, Erongo Region, Namibia

Erongo Mountain, Erongo Region, Namibia
15.2 x 11.5 x 6.3 cm
$350

6390 Smithsonite
Mineral Specimen: Smithsonite from Tsumeb, Namibia

Tsumeb, Namibia
Ex. E. Morales purchased from P.J. Williams, Tuscon 1981 show
7.4 x 5.2 x 3.7 cm
$250

5972 Shigaite, Caryopilite, Rhodochrosite, Barite
Mineral Specimen: Shigaite, Caryopilite, Rhodochrosite, Barite from N'Chwaning I Mine, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa

N'Chwaning I Mine, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa
Shigaite: Mn6Al3(OH)18[Na(H2O)6](SO4)2·6H2O , Caryopilite: Mn2+3Si2O5(OH)4
6.8 x 5.7 x 4.2 cm
The largest Shigaite crystal is 4 mm across.
$200

5843 Skutterudite Crystals
Mineral Specimen: Skutterudite Crystals from Aghbar Mine, Bou Azzer, Tazenakht, Quarzazate, Morocco

Aghbar Mine, Bou Azzer, Tazenakht, Quarzazate, Morocco
(Co,Fe,Ni)As2-3
5.5 x 4.4 x 6.1 cm
The first dimension is the height of the specimen and the third is the depth of the specimen.
$75

5475 Smithsonite
Mineral Specimen: Smithsonite from Berg Aukas Mine, Grootfontein District, Otjozondjupa Region, Namibia

Berg Aukas Mine, Grootfontein District, Otjozondjupa Region, Namibia
4.2 x 4.3 x 1.4 cm
$50

4691 Cuprian Smithsonite
Mineral Specimen: Cuprian Smithsonite from Tsumeb, Namibia

Tsumeb, Namibia
6.7 x 4.5 x 2.9 cm
$85

3899 Schorl Tourmaline, Albite, Smoky Quartz
Mineral Specimen: Schorl Tourmaline, Albite, Smoky Quartz from Erongo, Namibia

Erongo, Namibia
6 x 4.6 x 4 cm
$50

3821 Smithsonite
Mineral Specimen: Smithsonite from Tsumeb, Namibia

Tsumeb, Namibia
4.8 x 3.5 x 2.9 cm
$150

3799 Shattuckite Included in Quartz
Mineral Specimen: Shattuckite Included in Quartz from Kaokoveld Plateau, Kunene Region, Namibia

Kaokoveld Plateau, Kunene Region, Namibia
Cu5(Si2O6)2(OH)2
3.2 x 3.1 x 2.8 cm
$45

3448 Silver, Acanthite
Mineral Specimen: Silver, Acanthite from Imiter Mine, Imiter Dist., Djebel Saghro, Ouarzazate Prov., Souss-Massa-Draa Region, Morocco

Imiter Mine, Imiter Dist., Djebel Saghro, Ouarzazate Prov., Souss-Massa-Draa Region, Morocco
3.3 x 3.5 x 1.1 cm
$75

1362 Selenite Desert Rose
Mineral Specimen: Selenite Desert Rose from Algeria

Algeria
11 x 9.1 x 8.8 cm
$25 Discounted to $15

T

6711 Double Terminated Yellow Topaz on Oorthoclase
Mineral Specimen: Double Terminated Yellow Topaz on Oorthoclase from Klein Spitzkoppe, Spitzkopje Area, Karibib Constituency, Erongo Region, Namibia

Klein Spitzkoppe, Spitzkopje Area, Karibib Constituency, Erongo Region, Namibia
4.8 x 3.4 x 2 cm
$75

6471 Schorl Tourmaline, Albite, Hyaline Opal
Mineral Specimen: Schorl Tourmaline, Albite, Hyaline Opal from Erongo Mountain, Erongo Region, Namibia

Erongo Mountain, Erongo Region, Namibia
4.4 x 3.8 x 2.3 cm
$30

6076 Topaz, Microline
Mineral Specimen: Topaz, Microline from Klein Spitzkopje (Kleine Spitzkoppe) granite stock, Spitzkopje Area, Karibib Dist., Erongo, Namibia

Klein Spitzkopje (Kleine Spitzkoppe) granite stock, Spitzkopje Area, Karibib Dist., Erongo, Namibia
4.7 x 3.8 x 2.4 cm
$45

5080 Waterworn Topaz Crystals
Mineral Specimen: Waterworn Topaz Crystals from Jos Plateau, Plateau State, Nigeria

Jos Plateau, Plateau State, Nigeria
2.2 x 1.8 x 1.6 cm
17grams
$70

4719 Tanzanite
Mineral Specimen: Tanzanite from Merelani Hills (Mererani), Lelatema Mts, Arusha Region, Tanzania

Merelani Hills (Mererani), Lelatema Mts, Arusha Region, Tanzania
25 x 7 x 7 mm
second two measurements taken at the base of the crystal, weight: 11.25 ct
$375

2886 Tourmaline and Botryoidal Fluorite on Albite
Mineral Specimen: Tourmaline and Botryoidal Fluorite on Albite from Erongo Mountain, Erongo Region, Namibia

Erongo Mountain, Erongo Region, Namibia
6.4 x 3.5 x 3.3 cm
$125

W

6732 Wulfenite on Tennanitite
Mineral Specimen: Wulfenite on Tennanitite from Tsumeb, Namibia

Tsumeb, Namibia
Ex. E. Morales from E. Schlepp, Detroit Show, Oct. 1981
6.8 x 5 x 3.7 cm
Longest crystal 12 mm long.
$250

4840 Wulfenite, Calcite, minor Duftite
Mineral Specimen: Wulfenite, Calcite, minor Duftite from Tsumeb, Namibia

Tsumeb, Namibia
7.5 x 4.6 x 4.4 cm
largest Wulfenite crystal measures 12 x 7 x 1 mm
$200

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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