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Mineral Specimens Page 24
Assorted minerals
Tilly Foster Mine mineral museum
M0739
CHONDRODITE
Tilly Foster Mine, Brewster, NY
$1500.00
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A classic specimen of two contacted but intact chondrodite crystals on Tilly Foster mine ore. This
mine was closed in 1895, making it at least 110 years since the piece was removed from the mine.
Mining methods and collecting standards have changed greatly since then and specimen damage was
more acceptable to collectors in the old days. This piece has been repaired but the repair was done pretty well
and the main crystals are intact. This is a piece of mineralogic and mining history from an antique, long
extinct locality. The recent find of clinohumite, a closely related mineral, from Afghanistan is nearest in
terms of quality for a mineral rarely seen in well crystallized specimens.
Specimen size: approx 5.3 cm. X 4 cm. X 2.7 cm.
M1723
CHONDRODITE
Tilly Foster Mine, Brewster, NY
$1500.00
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Chondrodite crystals in brucite on Tilly ore. The main crystal is contacted and has damage on one edge.
Mining methods and collecting standards have changed greatly since the mine was closed in 1895 and
specimen damage was more acceptable to collectors in the old days. This is a piece of mineralogic
and mining history from an antique, long extinct locality. The recent find of clinohumite, a closely
related mineral, from Afghanistan is nearest in terms of quality for a mineral rarely seen in well
crystallized specimens.
Specimen size: approx 5.3 cm. X 3.5 cm. X 1.8 cm.
Tilly Foster Mine mineral museum
72161
AMETHYST 'EYES'
Rio Grande do Sul, Brazil
$35.00
SOLD
A slice of stalactitic amethyst - 'eyes'!
Specimen size: approx 7.1 cm. X 5.3 cm. X .5 cm.
72162
AMETHYST 'EYES'
Rio Grande do Sul, Brazil
$35.00
SOLD
A slice of stalactitic amethyst - 'eyes'!
Specimen size: approx 6.8 cm. X 5.3 cm. X .6 cm.
72163
SPESSARTINE
Navegadora Mine, Galileia,
Minas Gerais, Brazil
$120.00
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A floater stack of composite spessartine crystals commonly described as etched.
Specimen size: approx 3.7 cm. X 2.2 cm. X 1 cm.
72164
SPESSARTINE
Navegadora Mine, Galileia,
Minas Gerais, Brazil
$75.00
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A floater stack of composite spessartine crystals commonly described as etched.
Specimen size: approx 3 cm. X 2.2 cm. X .7 cm.
72165
SPESSARTINE
Navegadora Mine, Galileia,
Minas Gerais, Brazil
$45.00
SOLD
A floater stack of composite spessartine crystals commonly described as etched.
Specimen size: approx 2.3 cm. X 1.4 cm. X .8 cm.
M1720
GROSSULAR
Belvidere Mtn quarry, Lowell
('Eden Mills'), Vt.
$150.00
SOLD
Glassy, dark brown grossular dodecahedra up to 1 cm. on diopside.
Specimen size - approx 3.5 cm X 2.5 cm X 2 cm
M1539
SPINEL
Amity, Orange County, NY
$175.00
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Black spinel crystals on diopside. An old timer. Specimen size approx - 7 cm. X 4.5 cm. X 4 cm.
XX101
CALCITE
Amity, Orange County, NY
$20.00
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Not a killer specimen but an oddity. Cleavages of pale blue calcite, with graphite, unlike anything
we've seen in the Franklin Marble in over 30 years of collecting. This material may bleach in sunlight.
Specimen size: approx 9.5 cm X 7 cm X 5 cm
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