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Mineral Species J-O

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Specimen:

BT-5

Magnetite

Price: 

$7

Location: 

Road Cut

Auburn, New Hampshire

Description:

A 3 x 1.7 x 1.6 cm specimen with two Magnetite crystals up to 6 mm in diameter embedded in a matrix of pink Orthoclase.

Specimen:

BAS-153

Muscovite

Price: 

$10

Location: 

Ray Mine

Burnsville, North Carolina

Description:

A 9.1 x 8 x 3.5 cm book of Muscovite Mica.

Specimen:

BAS-97

Magnetite

Price: 

$16

Location: 

Mina Huaquio

Potosi, Bolivia

Description:

A 7.6 x 5.5 x 3 cm plate of black Magnetite crystals up to 1.2 cm in size on a light gray rhyolite matrix.

Specimen:

BAS-135

Malachite

Price: 

$5

Location: 

Vera Cruz, Mexico

Description:

A 4.2 x 2.5 x 1.9 cm specimen of velvety dark green Malachite on a limonite matrix.

Specimen:

BAS-91

Muscovite

Price: 

$11

Location: 

Yates Brooks Farm

Cleveland County 

North Carolina

Description:

A 4 x 3 x 2.5 cm cluster of silvery brown crystalline Muscovite crystals up to 2.4 cm in width.

Specimen:

BTJ-57

Lepidolite on Clevelandite

Price: 

$8

Location: 

Dunton Mine

Newry, Maine

Description:

A 6.3 x 1.7 x 1.3 cm specimen of purple Lepidolite on white Clevelandite.

Specimen:

BAS-4

Magnetite

Price: 

SOLD

Location: 

Mina Huaquio

Potosi, Bolivia

Description:

A 9.9 x 5.8 x 3 cm specimen with black Magnetite crystals on a gray Feldspar matrix.  Magnetite crystals up to 1.1 cm in size.

Specimen: 

BTJ-11

Marcasite

Price:  

$10

Location:  

Tri-State Mining District

Joplin, Missouri

Description:

A 5 x 3.1 x 2.3 cm Marcasite fan.

Specimen: 

BTJ-12

Microcline with

Smoky Quartz

Price:  

$11

Location:  

Blueberry Crossing

Bartlett, New Hampshire

Description:

A 5.5 x 5.5 x 2.4 cm specimen with well terminated tan Microcline crystals to 2.5 cm with crystallized smoky Quartz on back side of specimen.

Specimen:

BTJ-48

Muscovite Mica with Rutile

Price: 

$10

Location:

Boiling Springs

North Carolina

Description:

A 4 x 2.5 x 2 cm specimen of silver Muscovite Mica crystals with reticulated red Rutile crystals.

Specimen: 

BTJ-43

Natrolite

Price:  

$40

Location:  

Benitoite Gem Mine

San Benito County

California

Description:

A 7 x 3.8 x 3 cm specimen of white Natrolite form unusual blocky crystals up to 1.2 cm in length and 1 cm in width.