|
Buergerite Tourmaline Crystals
|
| |
NaFe3Al6Si6O18(BO3)3O3F, Sodium Iron
Aluminum Boro-silicate Oxide
Buergerite is a rare iron and sodium rich tourmaline with fluorine.
The blocky triangular prisms are striated lengthwise. Bronze to brown
color with transparency at the surface, The buergerite crystals are
from Governador Valadares, Minas Gerias, Brazil. 2 inch by 1 1/2 inch
by 1 1/2 inch buergerite is a solid mass of buergerite showing 1/2
inch faces and patches of muscovite mica books. |
| Item Number: trbubr02 |
Price: $ 25.00 |
| |
|
|
|
Azurite Crystal Floret
|
| |
Deep blue azurite crystals form a 1
1/2 inch by 1 1/2 inch by 3/4 inch thick, 14 gram double floret cluster. |
| Item Number: azumex08 |
Price: $ 21.00 |
|
|
|
|
|
Azurite, Mexico
|
| |
34 gram azurite crystals are lutrous
blue mini crystals that are arranged in swirled rosettes. 1 1/2
by 1 1/4 by 5/8 inch thick.
free ship |
| Item Number: azumex11 |
Price: $ 22.00 |
|
|
|
|
|
Azurite, Mexico
|
| |
36 gram azurite crystals are lutrous
blue mini crystals that are arranged in swirled rosettes. Patches
of green malachite and brown limonite break up the landscape of the
1 1/2 by 1 1/4 by 5/8 inch thick mineral specimen from Mexico. |
| Item Number: azumex12 |
Price: $ 22.00 |
|
|
|
|
|
Celestite from Mexico
|
| |
Celestite is strontium sulfate from
Mexico in light blue elongated prisms up to 1/4 inch long encased
in white celestite. The celestite mineral specimen from Mexico looks
like white foam frozen with suspended light blue crystals. 4 1/4 inch
by 2 1/4 inch by 2 1/2 inch. |
| Item Number: celemx01 |
Price: $ 42.00 |
|
|
|
|
Creedite Prisms
|
| |
Hydrated Calcium Aluminum Sulfate Hydroxide
Fluoride
A sulfate formed in oxidized ore, the reddish creedite prisms radiate
to form bristled spheres. The Durango, Mexico mineral specimen is
composed of 8 complete spherical bodies attached to form one mass
that is 2 1/4 by 2 1/16 by 1 inch. |
| Item Number: creedt02 |
Price: $ 15.00 |
|
|
|
|
|
Chrome Diopside Crystals
|
| |
Chrome diopside crystals are dark green
transparent prisms embedded in quartz. The 2 1/2 by 1 1/2 by 1 1/4
inch with 1 1/8 inch crystals from Minas Gerais, Brazil. |
| Item Number: diopsi01 |
Price: $ 32.00 |
|
|
|
|
|
Dioptase Crystals, Argentina
|
| |
Marble matrix holds calcite crystals
and dioptase prisms up to 1/2 inch long. These are some of the larger
dioptase crystals in the Western Hemisphere. Location: The 6 by 5
by 3 1/2 inches mineral specimen from Northern Argentina also has
dioptase shot through the country rock. |
| Item Number: diopar05 |
Price: $ 195.00 |
|
|
|
|
|
Dioptase Crystals, Argentina
|
| |
hydrous silicate of copper
7 inch by 2 1/2 inch by 3 inch Argentine mineral specimen is colorful
pink marble matrix with dioptase and micro galena shot through it.
The top is coated with calcite cleavages and dioptase prisms up to
1/2 inch. Dioptase this size is a rare occurence for the Western Hemisphere. |
| Item Number: diopar07 |
Price: $ 250.00 |
|
|
|
|
|
Red Raspberry Garnets in Matrix
|
| |
Red raspberry colored grossular garnets
from Mexico have smooth reflective faces. 3 1/2 by 2 by 1 1/2 inch
with garnets up to 3/8 inch in diameter shot all through the handsome
cabinet specimen. The sugary matrix has other mineral inclusions such
as metallic black centers to garnet clusters. |
| Item Number: rsgrmx01 |
Price: $ 37.00 |
|
|
|
|
|
Red Raspberry Garnets in Matrix
|
| |
Red raspberry colored grossular garnets
from Mexico have smooth reflective faces. 3 1/2 by 2 by 1 1/2 inch
with garnets up to 3/8 inch in diameter shot all through the handsome
cabinet specimen. The sugary matrix has other mineral inclusions such
as metallic black centers to garnet clusters. |
| Item Number: rsgrmx02 |
Price: $ 45.00 |
|
|
|
|
|
Hemimorphite Crystal Sprays, Mexico
|
| |
Hemimorphite is hydrous zinc silicate
formed as a secondary mineral in oxidized mineral deposits. 1 1/4
inch by 1 inch by 7/8 inch clustered sprays of transparent blade crystals
are from Chihuahua Mexico. |
| Item Number: hempht01 |
Price: $ 18.00 |
|
|
|
|
Pyrite, Peru
|
| |
Two 1 inch equal dimensional crystals
are ingrown forming a 1 1/2 by 1 by 1 inch peru pyrite specimen. The
crystals with bright gold metallic luster have a dozen ingrown crystals
scattered over the striated crystal faces. |
| Item Number: pyperu01 |
Price: $ 22.00 |
|
|
|
|
Pyrite, Peru
|
| |
The pyrite mineral specimen from Peru
has bright gold metallic luster on hundreds of crystal faces. The
impressive mineral display is 4 inch by 2 inch by 2 1/4 inch. |
| Item Number: pyperu02 |
Price: $ 47.00 |
|
|
|
|
Pyrite, Peru
|
| |
9/16 inch pyritohedron crystals are
grouped into a cluster that is 1 ¾ inch by 1 1/4 inch by 3/4
inch thick. The mineral specimen from Quiruvilco, Peru has a light
tarnish that subdues the metallic luster. |
| Item Number: pyperu03 |
Price: $ 12.50 |
|
|
|
|
Pyromorphite and Adamite, Mexico
|
| |
Brown limonite gossan holds tiny green
pyromorphite (lead chlorophosphate)and clear fluorescent adamite crystals
(arsenate of zinc). Location. Mapimi Durango, Mexico |
| Item Number: pyadmx01 |
Price: $ 15.00 |
|
|
|
|
|
Green Titianite
|
| |
calcium titanium silicate. Green titianite
in envelope shaped crystals and several V twinned crystals in a tent
shaped formation that hugs the surface. There are dark green, sharp
stacked crystals and several other metamorphic associated micro minerals.
The titianite mineral specimen from Brazil is on a 1 inch thick metallic
matrix, 3 by 3 inch. |
| Item Number: titnbr01 |
Price: $ 48.00 |
|
|
|
|
|
Rare Black Tourmaline Stalactite, Mexico
|
| |
Velvety black folds ripple across the
black tourmaline, schorl, stalactite from Sonora, Mexico. The velvet
texture and undulating appearance of the surface of the stalactite
formation afford incredible beauty to this rare form of black tourmaline.
The main stalacite is 1 3/4 inches long with the base measuring 2
inches by 1 1/2 inches. The entire specimen, which weighs 35 grams,
is black tourmaline in the inter-layered needle structure that forms
the velvet texture. |
| Item Number: trmstl01 |
Price: $ 55.00 |
|
|
|
|
|
Rhodochrosite, Drusy Quartz, Galena from Peru
|
| |
Drusy quartz, pink from included rhodochrosite,
has many tabular crystals of pink to brown rhodochrosite perched on
the surface. The sparkling quartz and rhodochrosite covers a galena
matrix that is a mass of 1/4 to 1/2 inch crystals that have stepped
faces with brilliant metallic luster. 3 inch by 2 inch by 1 1/2 inch
rhodochrosite mineral specimen is from Raura, Peru. |
| Item Number: rhodpr01 |
Price: $ 85.00 |
|
|
|
|
Manganosiderite, Brazil
|
| |
A shiny matrix of mica and feldspar
crystals with a porcelain luster hold siderite crystal rhombohedra
from 3/8 to 5/8 inch. The source of Governador Valadares, Minas Gerais,
Brazil refers to these as manganosiderite. The mineral specimen is
1 3/4 inch by 1 3/4 inch by 1 1/4 inch. |
| Item Number: sidrbr01 |
Price: $ 19.00 |
| |
|
|
|
Lepidolite, Brazil
|
| |
potassium lithium aluminum flurosilicate
in the mica group. The botryoidal formation of lepidolite is a bubbly
mass composed of elastic laminas with a lavender color. 1 pound mineral
specimen is 4 inches by 3 inches by 2 1/2 inches. |
| Item Number: lepdbr02 |
Price: $ 34.00 |
|
|
|
|
|
Lepidolite, Brazil
|
| |
potassium lithium aluminum flurosilicate
in the mica group. The botryoidal formation of lepidolite is a bubbly
mass composed of elastic laminas with a lavender color. 1 pound mineral
specimen is 5 inches by 2 3/8 inches by 2 inches. |
| Item Number: lepdbr03 |
Price: $ 32.00 |
|
|
|
|
|
Manganosiderite, Brazil
|
| |
A shiny matrix of mica and feldspar
crystals with a porcelain luster hold siderite crystals rhombohedra.
The compact1 ½ by 1 by 1 inch mineral specimen has a grouping
of ½ inch siderite crystals. The source of Governador Valadares,
Minas Gerais , Brazil refer to these as manganosiderite |
| Item Number: sidrbr02 |
Price: $ 19.00 |
|
|
|
|
|
Manganosiderite, Brazil
|
| |
A shiny matrix of mica and feldspar
crystals with a porcelain luster hold siderite crystals rhombohedra.
The compac t1 ½ by 1 by 1 inch mineral specimen has a grouping
of ½ inch siderite crystals. The source of Governador Valadares,
Minas Gerais. |
| Item Number: sidrbr03 |
Price: $ 16.00 |
|
|
|
|
|
Blue-Green Smithsonite, Argentina
|
| |
zinc carbonate with a tint of copper
Blue-green smithsonite coats calcite crystals on meta marble matrix.
4 inch by 3 inch by 1 inch. |
| Item Number: smitat04 |
Price: $ 19.00 |
| |
|
|
|
Blue Smithsonite, Argentina
|
| |
A coating of blue smithsonite coats
one side of the red meta-marble matrix. The 2 1/2 by 2 3/4 inch by
1 1/4 inch smithsonite mineral specimen is zinc carbonate with a tint
of copper. |
| Item Number: smitar05 |
Price: $ 19.00 |
| |
|
|
|
More Calcites!
|
| |
This page is all calcite mineral specimens
from North and South America, Africa, and other localities around
the world. Calcite has more crystal forms than any other mineral.
Cruise this page to see some of the calcite crystal varieties. Tsumeb
calcites have many secondary metal minerals. |
| |
|
| |
|
|
|
