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Diatoms


Diatom Shop has an unbelievable number of worldwide samples to choose from: you can order several diatoms arranged in series or in artistic patterns (ask for a free quote)

The company always offers many rare and unusual species!

With your purchase you'll get perfectly cleaned diatoms that have been micro-manipulated paying attention to their perfect positioning. All the recent and fossil Diatoms are cleaned the internal laboratory (using long, professional and dangerous procedures and techniques that require personal protective equipment).

But Diatom Shop offers also strewn microscope slides: in this case frustules are uniformly distributed; moreover you will never find unpleasant edges caused by fast distilled water evaporation.

Diatom Lab uses several high refractive index mountants, such as Diatom³ (Diatom Cubed) that has a refractive index greater than 1.7. All mountants are microfiltered and have an excellent chemical stability!

Please notice the extreme cleanliness and contrast of Diatom Shop's microscope slides by watching the microscope videos you find in this website! Diatom Lab's self-produced mountants and fixatives are really invisible even in Phase Contrast, Darkfield illumination and Differential Interference Contrast (DIC)!

In order to give you the best conditions for resolution and contrast, Diatom frustules are internally mounted on the lower surface of cover glass (and not on microscope slide)! Furthermore, mounting on the internal surface of cover glass permits to easily use oil immersion objectives too (even those with very short free working distance: 63x/1,4 or 100x/1,4) as there is no space between diatoms and cover glass!

The customized cover glasses (coverslips) with high optical quality have been manufactured in Germany specifically for Diatom Lab. They have the following characteristics: highly transparent and achromatic (free of any color distortion); high optical omogeneity (pratically free of inclusions, bubbles, streaks, etc.); high spectral transmission; good planarity; very good chemical stability; refraction index adjusted for microscopes

Diatom Shop's microscope slides are prepared taking into account the coverslip thickness

Diatom Lab's ringing cements are resistant to the  most common immersion oils  used in optical microscopy

Diatom Lab's special techniques and mountants ensure that diatoms and radiolarians will never change their original position (for example, during shipping or storage)

Enjoy the opportunity to have Diatom Lab's microscope slides, made with the latest techniques and formulas!


All microscope slides are made in Diatom Lab's internal laboratory by Stefano Barone (microscope slide preparer, science educator and scientific photographer): the products offered are professionally prepared, moreover a lot of money, research and technology have been invested to realize and keep alive this company!

And now some brief informations about Diatoms: they are unicellular algae, but it is a restrictive definition, in fact most people ignore that they give us a good part of the oxygen we breathe! Diatoms live in many different aquatic environments and their appearance dates back to the Cretaceous. They are enclosed within a cell made of silica called frustule: its form radiates a stunning beauty and is unique for each species. But their importance does not end here: they are food for many living thinks, whether small (such as protozoa) or gigantic (the whales). Moreover diatoms are water quality indicators. Last but not least, in the past abundant acumulations of diatoms caused the formations of a special kind of rock called diatomite, which is nowadays mainly used for the manufacture of toothpaste, abrasives, cat litter, light weight bricks, insulations and water filters. In conclusion: long life to diatoms!
You can understand how the microscope slides offered have several values: scientific, ecological and artistic too!

An interesting fact: why do some Diatom appear colored without any stain? Download this article: link.


Diatom Lab has thousands of different species inside the laboratory! The list below represents deposits and localities of Diatoms that are currently stocked in very large amounts (the hundreds of smaller samples are not included).  
Diatom Shop doesn't sell raw samples or cleaned samples, but microscope slides prepared with these samples.

FOSSIL (MARINE / FRESHWATER) DIATOMS:

Oamaru (NZ), Allan’s Farm – Sample A (marine fossil diatoms, late Eocene period)
Oamaru (NZ), Allan’s Farm – Sample B (marine fossil diatoms, late Eocene period)
Oamaru (NZ), Allan’s Farm – Sample C (marine fossil diatoms, late Eocene period)
Oamaru (NZ), Allan’s Farm – Sample D (marine fossil diatoms, late Eocene period)
Oamaru (NZ), Allan’s Farm – Sample E (marine fossil diatoms, late Eocene period)
Oamaru (NZ), Flume Gully (Papakaio) – sample 1 and 2 (marine fossil diatoms, late Eocene period)
Oamaru (NZ), Bain’s Farm  (marine fossil diatoms, late Eocene period)
Oamaru (NZ), Mavor’s Farm (marine fossil diatoms, late Eocene period)
Oamaru (NZ), Jackson's Paddock  (marine fossil diatoms, late Eocene period)
Oamaru (NZ), Totara – Sample A (marine fossil diatoms, late Eocene period)
Oamaru (NZ), Totara – Sample B (marine fossil diatoms, late Eocene period)
Fur island, Denmark, Sample A (marine fossil diatoms, Early Eocene period)
Fur island, Denmark, Sample B (marine fossil diatoms, Early Eocene period)
Fur island, Denmark, Sample C (marine fossil diatoms, Early Eocene period)
Mors island, Denmark, Sample A (marine fossil diatoms, Early Eocene period)
Mors island, Denmark, Sample B  (marine fossil diatoms, Early Eocene period)
Mors island, Denmark, Sample C  (marine fossil diatoms, Early Eocene period)
Mors island, Denmark, Sample D  (marine fossil diatoms, Early Eocene period)
Saint Laurent La Vernède (France), collected in eight different locations at different levels (marine fossil diatoms, Miocene)
Saint Laurent La Vernède (France), sample A (marine fossil diatoms, Miocene)
Saint Laurent La Vernède (France), sample B (marine fossil diatoms, Miocene)
Saint Laurent La Vernède (France), sample C (marine fossil diatoms, Miocene)
Saint Laurent La Vernède (France), sample D (marine fossil diatoms, Miocene)
Saint Laurent La Vernède (France), sample E (marine fossil diatoms, Miocene)
Saint Laurent La Vernède (France), sample F (marine fossil diatoms, Miocene)
Saint Laurent La Vernède (France), sample G (marine fossil diatoms, Miocene)
Saint Laurent La Vernède (France), sample H (marine fossil diatoms, Miocene)
Saint Laurent La Vernède (France), sample I (marine fossil diatoms, Miocene)
Saint Laurent La Vernède (France), sample L (marine fossil diatoms, Miocene)
Saint Laurent La Vernède (France), sample M  (marine fossil diatoms, Miocene)
Saint Laurent La Vernède (France), sample N (marine fossil diatoms, Miocene)
Modelo Formation, Santa Monica Mountains, Los Angeles County, CA  (marine fossil diatoms, Upper Miocene)
Monterey Formation, San Miguelito Canyon, Santa Barbara County, CA (marine fossil diatoms)
Newport Beach, Back Bay, CA (marine fossil diatoms)
Malaga Cove, Torrance Beach, CA (marine fossil diatoms)
Palos Verdes, CA (marine fossil diatoms)
Sunnyfield, CA (marine fossil diatoms)
Altamira Shale, CA (marine fossil diatoms)
White Cliffs, Newport Beach, CA (marine fossil diatoms)
Hawthorne and Rolling Hills RD, CA (marine fossil diatoms)
Mouth of Malaga Canyon, CA (marine fossil diatoms)
Sierra College, CA (marine fossil diatoms)
Burney, CA (freshwater fossil diatoms)
Lower Fairhaven Diatomaceous Earth Member (Shattuck, 1904), Maryland (marine fossil diatoms, Miocene)
Calvert Cliffs, Matoaka Beach, Chesapeake Bay, St. Leonard, Maryland (marine fossil diatoms, Miocene)
Popes Creek, Maryland (marine fossil diatoms)
Basalt, Grefco Diatomite Mine, Nevada (fossil lacustrine diatoms, Pliocene-Miocene)
Lake Bonneville, Utah, sample A (freshwater fossil diatoms, Pleistocene)
Lake Bonneville, Utah, sample B (freshwater fossil diatoms, Pleistocene)
Chalk Pond, Maine (freshwater fossil diatoms)
Pershing, Nevada, Antelope Basin mine (freshwater fossil diatoms)
Pershing, Nevada, Quivera mine (freshwater fossil diatoms)
Pershing, Nevada, Atlantis mine (freshwater fossil diatoms)
Pershing, Nevada, Horeshoe Basin mine (freshwater fossil diatoms)
Churchill, Nevada, Hazen section 9 mine (freshwater fossil diatoms)
Loch Cuithir, Isle of Skye, sample A (freshwater fossil diatoms)
Loch Cuithir, Isle of Skye, sample B (freshwater fossil diatoms)
Lake Myvatn, Iceland (freshwater fossil diatoms)
Bann River Valley (new ferry), Ireland (freshwater fossil diatoms)
Zamplen, Tokaji, Hungary (freshwater fossil diatoms, Miocene)
Tokaji, Hungary (freshwater fossil diatoms, Miocene)
Renkum, Holland (freshwater fossil diatoms)
Ugchelen, Holland (freshwater fossil diatoms)
Klieken, Sachsen – Anhalt, Germany (freshwater fossil diatoms)
Valmarecchia, Italy (marine fossil diatoms)
Mazzano Romano (Rome), Italy, several levels and locations (freshwater fossil diatoms)
Falconara formation, Sicily, Italy (marine fossil diatoms)

RECENT (MARINE / BRACKISH / FRESHWATER) DIATOMS:

Rhine, Flanders, Belgium  (freshwater recent diatoms)
Zeebrugge, Belgium (brackish recent diatoms)
Lake Werdersee, Bremen, Germany (freshwater recent diatoms)
Vistula river, Westerplatte, Poland  (freshwater recent diatoms)
Ninewells, Scotland (freshwater recent diatoms)
Beilerstroom, Holland (freshwater recent diatoms)
Zuidwolder waterlossing, Holland (freshwater recent diatoms)
Harbor, Katwijk aan Zee, Holland (brackish recent diatoms)
Two Tree Island, England (brackish recent diatoms)
Seychelles, (marine recent diatoms)
Gulf of Poets, La Spezia, Italy (marine recent diatoms)
Genoa, Italy  (marine recent diatoms)
Savona, Italy (marine recent diatoms)
Imperia, Italy (marine recent diatoms)
Venice, Italy (marine recent diatoms)
Naples, Italy Rome, Italy (marine recent diatoms)
Trieste, Italy (marine recent diatoms)
Salerno, Italy (marine recent diatoms)
Brindisi, Italy (marine recent diatoms)
Messina, Italy  (marine recent diatoms)
Ravenna, Italy (marine recent diatoms)
Augusta, Italy (marine recent diatoms)
Gioia Tauro, Italy (marine recent diatoms)
Livorno, Italy (marine recent diatoms)
Several municipalities of the province of Cremona, Italy  (freshwater recent diatoms)
Lake Garda, Italy (freshwater recent diatoms)
Lake Maggiore, Italy (freshwater recent diatoms)
Lake Bracciano, Italy  (freshwater recent diatoms)
Lake d'Orta, Italy (freshwater recent diatoms)
Lake Iseo, Italy (freshwater recent diatoms)
Lake of Como, Italy (freshwater recent diatoms)
Lake Coghinas, Sardinia, Italy (freshwater recent diatoms)
Lake Omodeo, Sardinia, Italy  (freshwater recent diatoms)
Lake Iseo, Italy  (freshwater recent diatoms)
Lake Varano, Italy (freshwater recent diatoms)
Lake Vico, Italy (freshwater recent diatoms)
Lake Bolsena, Italy  (freshwater recent diatoms)
Idroscalo, Mi, Italy(freshwater recent diatoms)
Adda river, Italy(freshwater recent diatoms)
Adige river, Italy (freshwater recent diatoms)
Arno river, Italy (freshwater recent diatoms)
Volturno river, Italy (freshwater recent diatoms)
Tevere river, Italy (freshwater recent diatoms)
Po river, Italy (freshwater recent diatoms)
Bolzano, Italy (freshwater recent diatoms)
Danube river, several locations (freshwater recent diatoms)
Lake Lugano, Switzerland (freshwater recent diatoms)



 
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