Search Results
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5 items
Aquamarine in Muscovite
- Undated
Aquamarine (Be₃Al₂(SiO₃)₆ or (Be₃Al₂Si₆O₁₈) is a variety of the beryl family and ranges from a pale blue to a light green. Aquamarine can appear greener depending on trace amounts of iron found in the crystal structure.…
- Subject Minerals, Muscovite, Mica, Silicate minerals, Precious stones
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5 items
Pink Apatite on Muscovite
- Undated
Apatite is a translucent gemstone that comes in an array of colors. This light pink apatite formed on Muscovite, an aluminum potassium mineral. Apatite has the chemical formula Ca₅(PO₄)₃(F, Cl, OH).
Muscovite is the…
- Subject Mica, Muscovite, Apatite, Minerals, Phosphate minerals
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5 items
Lepidolite
- Undated
Lepidolite is a lilac-gray or rose-colored member of the mica group of minerals, with the chemical formula K(Li,Al)₃(Al,Si)₄O₁₀(F,OH)₂. It is the most abundant lithium-bearing mineral and is a secondary source of this…
- Subject Minerals, Lithium, Alkali metals
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5 items
Ruby in Marble
- Undated
Rubies in marble, also referred to as marble-hosted rubies, are considered higher quality compared to rubies formed in basaltic rocks. This is because the low iron content in marble allows rubies to develop a more…
- Subject Rubies, Marble, Precious stones, Minerals
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4 items
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5 items
Purple Fluorite on Calcite
- Undated
Fluorite is a calcium fluoride with the chemical formula CaF₂ and crystallizes in the cubic system. Fluorite is allochromatic, meaning that it can be tinted with elemental impurities. It comes in a wide range of colors…
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6 items
Powellite
- Undated
Powellite is a calcium molybdate mineral with the chemical formula CaMoO₄. It occurs naturally in hydrothermal ore deposits and has a tetragonal crystal structure. Powellite fluoresces a bright yellow under short-wave…
- Subject Minerals, Crystals, Fluorescence
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4 items
Muonionalusta Meteorite
- Undated
The Muonionalusta meteorite is a meteorite classified as fine octahedrite, type IVA, which impacted Scandinavia about one million years ago. The meteorite was first discovered in 1906 in Sweden. It is thought to be the…
- Subject Meteorites, Iron, Titanium dioxide, Meteorites
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4 items
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6 items
Afghanite
- Undated
Afghanite is a hydrous sodium, calcium, potassium, sulfate, chloride, carbonate, alumino-silicate mineral. Its chemical formula is written as (Na, K)₂₂Ca₁₀(SO₂₄)₆Cl₆. It is a feldspathoid of the cancrinite group and…
- Subject Minerals, Crystals, Fluorescence
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4 items
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3 items
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6 items
Tourmaline
- Undated
Tourmaline is a semi-precious stone that can be found in a variety of colors based on the presence of iron, magnesium, or lithium. This tri-colored tourmaline is a result of impurity atoms that were incorporated while…
- Subject Minerals, Tourmaline, Precious stones
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6 items
Rutilated Smoky Quartz
- Undated
Rutilated smoky quartz is a brownish-grey, semi-translucent variety of quartz. This quartz specimen contains needle-like inclusions of rutile. The dark color of smoky quartz is a result of natural radiation reacting…
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5 items
Amber
- Undated
Amber is fossilized tree resin that has hardened over millions of years through a process known as polymerization. Resin is a sticky substance secreted by plants to protect and heal surface wounds. Due to its texture…
- Subject Amber fossils, Amber, Insects
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5 items
Cobaltite
- Undated
Cobaltite is a sulfide mineral compound of cobalt, arsenic, and sulfur, Its chemical formula is CoAsS. It contains up to 10% iron and variable amounts of nickel. Structurally, it resembles pyrite (FeS₂), with one of the…
- Subject Cobaltite, Minerals, Sulfide minerals
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23 itemsExhibitions
Earthly Matters
Earthly Matters explores the history and science behind a collection of more than 20 minerals donated to the Institute. Elements, crystals, gemstones, and even a meteorite are on display in seven state-of-the-art cases…
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25M 13S
How Textile Mills Are Modernizing
- A Report to the Textile Industry on the Chief Trends in Production Machinery and Processing Techniques
- 1958
This film about technological innovation at textile mills was produced for the textile industry. It mostly concerns new uses for electrical power and systems which would increase the quality and quantity of textiles and…
- Sponsor General Electric Company
- Producer Raphael G. Wolff Studios
- Subject Textile industry, Textile fabrics, Electricity
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23M 57S
The Greater Goal: Human Dividends from American Industry
- 1953
This 1950s promotional film about the textile industry is aimed at the American public, showing how important textiles are in daily life. It explains the textile production process and how textile mills contribute to…
- Producer Louft, Louis L.
- Creator Of Work Textile Information Service
- Subject Textile industry, Textile fabrics, Jacquard weaving, Dyes and dyeing--Textile fibers
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Photograph of Rosalind Franklin on vacation
- 1950
Photograph of Rosalind Franklin (1920-1958) taken while on vacation. The photo was taken by her close friend and collaborator, Vittorio Luzzati (1923-2016), in the Spring of 1950.
- Photographer Luzzati, Vittorio, 1923-2016
- Subject Franklin, Rosalind, 1920-1958, Luzzati, Vittorio, 1923-2016
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2 items
Photograph of Rosalind Franklin on vacation
- 1950
Photograph of Rosalind Franklin (1920-1958) taken while on vacation. The photo was taken by her close friend and collaborator, Vittorio Luzzati (1923-2016), in the Spring of 1950.
- Photographer Luzzati, Vittorio, 1923-2016
- Subject Franklin, Rosalind, 1920-1958, Luzzati, Vittorio, 1923-2016
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2 items
Invitation to "wiskie twisty" RNA party
- 1954-Aug
Invitation to a "wiskie twisty" RNA party, written by James D. Watson (1928-), signed in the style of George Gamow (1904-1968). This party was for members of the RNA Tie Club, an informal scientific club founded by…
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Photograph of Rosalind Franklin on vacation
- 1950
Photograph of Rosalind Franklin (1920-1958) taken while on vacation. The photo was taken by her close friend and collaborator, Vittorio Luzzati (1923-2016), in the Spring of 1950.
- Photographer Luzzati, Vittorio, 1923-2016
- Subject Franklin, Rosalind, 1920-1958, Luzzati, Vittorio, 1923-2016
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6 items
Draft of letter to the editor of Scientific American written by Max Perutz, 1968
- 1968
Draft of a letter written by Max Perutz (1914-2002) and sent to the editor of Scientific American, regarding Andre Lwoff's (1902-1994) review of James D. Watson's (1928-) book The Double Helix.
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13M 17S
Haemoglobin Allestory: The Structural Pathway
- Undated
This silent film of 3-D, computer generated images of the hemoglobin (haemoglobin) molecule was presumably created by Max Perutz or his laboratory following his discovery of the structure of hemoglobin. It shows the…
