Museum Collection
This specimen is part of the museum collection catalog.
Not for Sale.
Oligoclase var. Sunstone
Oregon, USA
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| Classification |
Mineral |
| Tags |
Gem Quality
Perky Box
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| Origin Location |
Oregon, USA |
| Description |
A small reference sample of sunstone, this cabochon displays the optical property know as aventurescence, a distinct "glitter" under the surface of the mineral. Sun stone is sought after for this reason, and varying forms of it will display either a speckled, sand like glitter like what appears in this piece, or a lattice formation where the glitter effect appears as interlocking lines at right angles. This mineral is most commonly cut and polished to accentuate this optical effect. |
| Luster |
Polished |
| Luster (Groundmass) |
Not noted, see photo. |
| Optical Phenomena |
Aventurescent |
| Mineral Group / Note |
Not noted, check reference links below. |
| Handling |
No special handling is required. |
| Modifications |
Cabochon |
| Size Group |
Thumbnail |
| Weight |
Not weighed precisely yet, please inquire. |
| Dimensions |
2.00 cm * 2.00 cm * 1.00 cm |
| Quantity |
1 Specimen |
| Mineral List |
Oligoclase: (Na,Ca)(Si,Al)4O8
sodium calcium silicon tetraluminum octoxide *
* Formula chemical names are auto-generated - may be incorrect on complex formulas.
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Specimen Analysis |
Color Table
Colors found in this specimen image are shown below. Higher number indicates greater concentration of that color.
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Similarly Colored Minerals:
Minerals with similar color profiles are shown below.
How it Works
Olmiite Calcite (Cave) Topaz var. Imperial Stilbite-Ca Topaz  Rhodochrosite |
Elements in this Specimen:
Elements that are part of the official chemical structure of the minerals occurring in this specimen are indicated below.
How it Works
Element List:
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Minerals with Similar Chemistry:
Minerals that are similar in terms of their chemical makeup are shown below.
How it Works
This Mineral Formula Similar Mineral Formula
Na Ca Si Al O Ca Na Al Si O
Na Ca Si Al O Ca Na Si Al O
Na Ca Si Al O Na Ca Al Si O
Na Ca Si Al O Ca Na Al Si O
Na Ca Si Al O Na Ca Si Al O
Na Ca Si Al O Ca Na Si Al O
Na Ca Si Al O Ca Al Si O H
Na Ca Si Al O Na Ca Si Al O H
Na Ca Si Al O Na Ca Si Al O H
Na Ca Si Al O Na Ca Si Al O S
Na Ca Si Al O Na Ca Al Si O H
Na Ca Si Al O Na Ca Al Si O S H
Na Ca Si Al O Na Ca Si Al O H
Na Ca Si Al O Na Ca Al Si O H
Na Ca Si Al O Na K Cl Ca Si Al O
Na Ca Si Al O Na Ca Al Si O H
Na Ca Si Al O Na Ca Al Si O H
Na Ca Si Al O Na Ca Si Al O H
Na Ca Si Al O Na Ca Al Si O H
Na Ca Si Al O Na Ca Al Si O H
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Mineral Group:
Search the catalog for minerals that share the same group as this specimen:
How it Works
Structural Group(s):
Fleischers Group(s):
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| Tools |
Edit Specimen
Search Wikipedia: Oligoclase (Wiki)
Search Mindat: Oligoclase
Search Web Mineral DB: Oligoclase
Search for Handbook of Mineralogy: Oligoclase
Search Wikipedia: Sunstone (Wiki)
Search Mindat: Sunstone
Search Web Mineral DB: Sunstone
Search for Handbook of Mineralogy: Sunstone
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