Polariscope

The Kassoy Polariscope is a quality alternative to higher-priced units. It has a built-in light and a slit in the base of the unit which allows it to be used as a light source for refractometers and other gemological instruments. The…

Refractometer

The Gem-A Refractometer is a sturdy unit that provides readings from 1.30 to 1.81. Its pull-out eyepiece and high quality lens gives clear focusing and readings. Supplied with polarizing filter and built-in monochromatic filter. This unit…

Chelsea Color Filter

Originally created to distinguish emeralds from imitations and doublets. A doublet is two stones (one of which may be genuine) which are pasted together to make a larger stone. Only deep red and yellow-green light can pass through the…

HRD D-Screen/Case

D-Screen: A Compact Practical, and Affordable Test for Synthetic and Color Treated Diamonds The recently developed High Pressure High Temperature (HPHT) process is now being usedThe D-Screen from HRD tests for HPHT Synthetic and Color…

Earthquake Off Long Island Coast

Long Island Earthquake Updated: Wednesday, 01 Dec 2010, 8:06 AM EST Published : Tuesday, 30 Nov 2010, 12:45 PM EST BY KATHY CARVAJAL MYFOXNY.COM - A minor earthquake shook eastern Long Island Tuesday morning. The magnitude 3.9 quake was…

Tilt and Turn Windows New York

Thermo-Roll Window Corporation, located on Long Island, manufactures heavy commercial aluminum windows for new and retrofit projects in the tri-state area of New York, New Jersey and Connecticut. The custom window and door manufacturer,…

Suffolk County Golf Courses

Long Island Suffolk County Golf Courses: INDIAN ISLAND GOLF COURSE 661 Riverside Drive Riverhead, NY 11901 (631)727-7776 WEST SAYVILLE GOLF COURSE Montauk Highway West Sayville, NY (631)567-1704 TIMBER POINT GOLF COURSE Great River, NY…